How to raise a bathhouse - technology for lifting a log house using jacks

Buildings made of logs and timber are durable; they can last for tens and even hundreds of years. However, time has a destructive effect on even the strongest materials, so sooner or later the foundation will require repairs. Rotting often affects the lower crowns, after which the house will gradually begin to lean on its side.

To prevent the destruction of the building, it is necessary to carry out a major overhaul of the foundation and replacement of the lower crowns. The first stage of this work is lifting the log house with a jack, which is important to carry out with the most accurate adherence to the technology.

Let's set up a bathhouse

Construction of a bathhouse.

After the foundation of the bathhouse has been built with your own hands, you can begin to build the walls. The best choice of building material in this case would be either a log or a wooden beam. This will reduce the load on the light base, and the choice in favor of wood has always been preferable for the construction of a bathhouse.

The procedure for constructing walls, partitions and erecting a roof is no different from building a bathhouse on a laid foundation. First, the strapping is done, after which they begin to raise the walls.

Roofing work can begin as soon as the frame of the building is installed.

It makes no sense to cover the walls inside the bathhouse with additional clapboard, since this will only increase the cost of construction, but it will not make much sense.

Lifting technology and rules

When choosing a diagram of how to raise a log bathhouse with your own hands, you need to take into account the weight and dimensions of the structure. In principle, you can get by with just one jack, but then the process will take a very long time due to its frequent rearrangements. But with the help of two lifting mechanisms, you can single-handedly lift not only a small bathhouse, but also a permanent residential building. The main thing is to ensure reliable fixation of the walls after removing the jacks to move them to the opposite side.

All work consists of several cyclically repeating stages.

• Placement of jacks at support points.

The jacks are installed in pairs on pre-prepared support platforms or stands strictly vertically with the upper part of the rod resting on the lower crown of the frame.

A board or rubber gasket is placed on the supporting part of the rod so that it does not cut into the wood Source oxlift.ru

• Rise by 3-4 cm.

By alternately pumping the jacks, they raise one wall to a small height, controlling the horizontal position of the supporting element as a result of the lifting. If the box needs to be torn away from the ground or the waterproofing glued to it and the foundation, then at the moment of maximum increase in load, the lifting is stopped, and supports are placed under the wall and left for a short time. After the resistance of the soil or adhesive layer weakens, the lifting is continued until complete separation.

• Installation of supports.

At one or more points between the jacks and at angles, supports made of concrete blocks, scraps of logs, and boards stacked on top of each other are placed.

• Carrying jacks.

The jacks are removed, transferring the load to the exposed supports, and move them to the opposite side of the bathhouse. Repeat the lifting procedure, eliminating the distortion and bringing the box to a horizontal level. To reduce the number of such rearrangements, you can raise this wall another 2-3 cm.

• Return to starting points.

After installing the supports under the second wall, the jacks are removed, returned to their original position and the box is raised a few more centimeters. The supports are increased in height.

It is convenient to use outrigger posts with a support beam laid on them, passing under the log house. Source lift-home.ru

Thus, gradually moving in a circle or from one wall to another, the bathhouse is raised to the desired height with small vertical movements.

How to lift a bathhouse correctly

Lifting should be carried out cyclically by doing:

• Restriction of movement within the territory;
• Level alignment with the opposite part of the site;
• Placing supports and spacers under the surface of the raised box.

To ensure that the bathhouse box does not settle or crack, and also to prevent destruction, it is necessary to ensure:

• Reliable fixation using stationary supports;
• The total movement in the vertical plane is no more than 0.5 m;
• Moving in height at intervals of 6-8cm;
• The use of thick timber to strengthen the box;
• Installation of spacer elements inside openings;
• Installation of jacks in the correct position;
• The use of thrust bearings only of the rigid type, for placing under the rods of lifting devices.

In order for repair work to take place as safely as possible and strictly according to technology, it is necessary that the structure be motionless.

In order to replace the foundation quickly, without mistakes and in accordance with the GOST standard, it is necessary that a certain technological sequence of actions be carried out.

• The scheme by which the movement will be carried out is selected.
• It is necessary to first prepare the place on the site where the lifting devices will be placed.
• It is necessary to thoroughly compact the soil where lifting devices will be installed.
• A reliable surface is formed by placing a supporting platform.
• Jacks are installed on the supporting plane, and the verticality of their location must be controlled.
• Plates are installed on the upper end of the rod to improve the contact area.
• Each jack only lifts 3-5cm at a time.
• To fix the position, you need to install pads.
• It is imperative to control the position in which the building is located at the time of movement.
• It is necessary to install stationary supports that will secure the structure during lifting.

The best option for a new foundation is considered to be a pile-screw structure, as it is strong, reliable and durable.

Preparatory work

At the preparatory stage, before moving the building vertically, the necessary measures should be taken to prepare the structure in order to prevent emergency situations and possible destruction:

• turn off the electrical power supply;
• turn off the water supply lines;
• disconnect the sewer pipes;
• ensure a guaranteed gap between the stove chimney and the ceiling;
• disconnect the heating device installed on a separate basis from the pipes;
• dismantle the floor in the area adjacent to the stove or heating boiler;
• attach metal profiles to the corners of the building to secure the box;
• dismantle window sashes to preserve the integrity of the glass.

Before work begins, a lifting scheme is worked out, which is determined by the purpose of the operation and the type of damage to the structure.

It is also necessary to carry out the following work:

1. Assess the level of damage and perform a visual inspection of the foundation. To do this, it is necessary to dismantle the basement cladding, provide access to the base along the contour of the building, and locally go deeper into the soil.
2. Check the strength and condition of the support rim. The solid wood should be tapped with a hammer to identify problem areas prone to rotting and cracking.
3. Ensure delivery of all necessary materials and equipment to the work site. Timely preparation of jacks, materials for repairs, and temporary supports will reduce the duration of repair activities.

It is important to correctly determine the method of lifting the structure and first analyze a number of points:

• Bath weight.
  The weight of the box, ceiling elements, external and internal decoration, as well as equipment located in the room is taken into account. By multiplying the resulting value by a factor of 1.4 and dividing by the number of jacks, you can obtain the load capacity of each device.
• Dimensions of a wooden box.
  By installing additional supports in the areas where logs, beams or wooden frames join, you can significantly reduce the likelihood of box deformation in the area where the elements join.
• Strength and presence of cladding on the inside and outside of the room.
  The presence of decorative finishing complicates the work. Fixing diagonally spaced bars 5 cm thick will protect the bathhouse frame from deformation and avoid subsequent repairs.

The lifting operation must be carried out taking into account further work

• The nature of the soil.
  The possibility of immersing lifting devices when moving a building in the vertical direction depends on the characteristics of the soil. Increasing the support area with the help of pads will ensure the immobility of the jacks.
• Lifting height.
  The design features of the lifting device limit the amount of free play of the rod. The required moving height is achieved by using supports made of durable wood.
• Duration of repair work.
  Depending on the level of complexity of the repair, the duration of restoration activities is determined. The use of temporary structures made of steel and durable wood reduces the load on the rod.

A responsible approach to repair work will allow you to avoid unforeseen situations, as well as promptly complete planned repairs.

Selection of jacks and their installation

The main criteria for choosing lifting devices are:

1. Load capacity.
   The technical characteristics of the equipment must exceed the effective load by 40%.
2. The amount of movement of the rod.
   The maximum stroke of the working body must ensure movement of the bathhouse box to the required height.

To carry out the work, it is important to choose the right jacks for lifting the bathhouse body

To perform the assigned tasks, the following types of devices are used:

• screw.
  They are used for small bath buildings with limited dimensions. Features: simple design, small dimensions, ease of operation;
• hydraulic.
  Used to move massive structures. They are characterized by an increased degree of reliability and increased load capacity. Requires qualified service.

The following are used as a supporting structure capable of supporting the mass of the bathhouse and remaining at the zero level:

• steel plates;
• wooden shields.

The use of square boards with a side of 50 cm will provide the necessary supporting surface area.

Walls

If heat is lost through the walls, you need to install thermal insulation. You need to do it like this:

• Remove the old coating from the walls, clean the logs from dust and cover with an antiseptic composition. Place vertical bars on the inner surface of the walls;
• secure the vapor barrier using a stapler;
• lay slab insulation in the gaps between the bars - it is better to use basalt wool;
• install a waterproofing film on top of the insulation;
• install facing material.

Installation of lathing under the lining in a bathhouse
If the insulation is external, then ventilated panels can be used as cladding. For internal use - lining, PVC or MDF panels. Sometimes it is enough to simply caulk the horizontal seams between the logs.

About the need to raise the bath

The essence of the process of raising a wooden structure using jacks is to provide access to the foundation being repaired while maintaining the integrity of the building.

Using one or more powerful jacks, you can carefully lift the structure, the basis of which is:

• wooden beams of square section;
• prefabricated panel structure;
• cylindrical logs.

The basis for making a decision to raise the bath is the visual manifestation of the following signs:

• significant deviation of the building from its normal position with the frame skewed;
• formation of cracks on finishing materials outside and inside the premises;
• subsidence of the entire building along the perimeter of the bathhouse or its individual parts;
• immersion into the soil of parts of the foundation bearing the load from the mass of the structure;
• significant destruction of the foundation with cracking and spalling.

Often, the construction of a small bathhouse is carried out without a foundation, and its base is simply placed on compacted soil and a sand-crushed stone cushion

Raising the bathhouse with the help of modern technical means allows the following types of construction activities to be carried out:

• work to carry out major repairs of the destroyed foundation;
• partial restoration of fragments of the base;
• restoration and replacement of collapsing supporting elements along the contour of the building;
• eliminating distortions of the building frame while ensuring the verticality of the structure;
• antiseptic treatment, as well as protective impregnation of wooden structures;
• elimination of deviations and errors that the builders made during construction.

Necessary equipment and tools for doing the work yourself

To carry out repair activities, you should prepare:

• jacks corresponding in lifting capacity to the weight of the building;
• panel elements made of metal or wood, reducing forces on the soil;

The most optimal option for carrying out such an event is the use of high-power jacks

• steel or wooden linings to compensate for the stroke of the rod;
• hand tools to provide access to the support beam when disconnecting it (crowbar, axe, shovels, sledgehammer, hammer);
• electrical equipment that speeds up repair work (circular saw, drill, grinder).

Having prepared the materials necessary to carry out the work, you can begin restoration activities.

Typical stages of foundation repair

Stage I. Preparing the bathhouse for foundation repairs

Before starting work, it is necessary to identify all breakdowns and flaws in the structure in order to carry out one-time repairs.
First you need to decide what design the new foundation will be. The best option for an old log bathhouse is a monolithic reinforced concrete strip with a cross-section of 20x20 cm and reinforcement with 12 mm steel rods

It is important to select new beams for the lower crown that are level, with a length of at least 6.4 m. If your bathhouse is on a slope, then the best option would be a screw foundation

In the process of work, you definitely have to disassemble everything on the floor in the bathhouse, but the heaviest furniture can be left directly on the ground, so as not to take it out into the open sky and not look for something to cover it with.

Stage II. Installation of jacks

Installing the foundation on jacks.

Lifting the bathhouse with jacks is the most crucial moment. The bathhouse must necessarily rise evenly, because at this time the log of the lower frame will noticeably sag and take on the most significant part of the weight of the entire building. If the rise is uneven, the composite crowns may separate and even the lower log of the frame may break. Therefore, for insurance, it is better to fasten the crowns of both sides with two or three 5x15 cm boards both inside and outside the log house, and tighten the log of the lower crown with a steel rod of 20 mm. Also, the jack can only be installed where the wood is strong and not affected by rot, and the lining itself is located horizontally.

So, some of the fences in the corners of the bathhouse have been dismantled and the niches for installing jacks are ready. Now, in order for the force from the jack rod to be transferred to the log correctly, it is necessary to make gaskets in the form of steel plates 5 mm thick. Ordinary cuttings of boards about 50 cm long can serve as a supporting platform for jacks.

Stage III. Raising a bathhouse using jacks

Raising the bathhouse using jacks.

Now the task is to raise the wall 5-6 cm with jacks, remove the half-rotten extensions and lower the bathhouse onto temporary supports - cuttings of strong beams, which are placed on the end. So, one by one, you need to raise all four sides of the bathhouse by only 1.5 cm, laying a lining of the same thickness and gradually, thus freeing them from the lower logs and installing antiseptic-treated beams. Between the logs and beams themselves, you need to lay rolled tow, the width of which is equal to twice the thickness of the timber. Tow also needs to be treated with an antiseptic.

Once the beam is placed on the foundation, you can remove the load from the jacks

It is only important that the log of the log house lies on the beam exactly, and for this it does not hurt to fasten them with a pair of staples. The main thing is to do the foundation repair with your own hands slowly and carefully, because when raising one wall of the old bathhouse, the center of gravity of the entire building shifts, and this can be fraught with its unwanted rotation

As soon as the log house rises by 5-10 mm, you need to insert a spacer made of 1 cm thick lining scraps into the gap between the timber and the temporary support - this will save the situation if the jack fails.

Stage IV. Production of a concrete platform and additional reinforcement

After being lifted on jacks, the house is placed on a support made of two bricks.

The next step is to make a concrete platform under each corner of the bathhouse, measuring 60x60 cm. At each such site, you need to cast a concrete pillar with a height equal to the strip of the new foundation, and on the pillars themselves, lay the corners of the future base 2 bricks high. They will need to be placed on the log house. All this is enough to install the reinforcement, install the formwork and fill everything with concrete.

The rods are mounted so that they can be tied into a frame. The strength of the foundation will be ensured by the dressing units spaced apart from each other. A 10-centimeter layer of gravel and broken bricks is poured under the future foundation strip of the bathhouse. To mark the height of each column, you need to use a hydraulic level.

Stage V. Manufacturing of the foundation strip and removal of jacks

As soon as the corner posts are ready and the frame is lowered onto the hardened brickwork, you can begin making the foundation strip. To do this, the space under each wall of the bathhouse is cleared in turn, formwork is installed, and at this time the other three walls rest on new and temporary supports.

At the end of all the work, it is important to leave niches in the base itself for jacks, so that later you can lower the bathhouse without any problems. As soon as it sits firmly on the new foundation, the niches can be filled with bricks - and the work is completed

Stage VI is additional. Replacement of the lower crowns of the bath

You may need to replace the basic crowns of the bathhouse - there can be a variety of reasons. Here's a diagram of how to do it:

Replacement of the lower crowns of the log house.

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Moving the bathhouse to a new foundation

Often, in addition to lifting and repairing walls or replacing crowns, it is necessary to move the bathhouse box a certain distance or move it to a new foundation built next to the bathhouse. In this case, in addition to jacks, you will need:

• Cable winch;
• Four channels 150 mm high and a length equal to the width of the bathhouse wall;
• A dozen two-inch steel water pipes, equal in length to the width of the bathhouse box;
• Four beams 200x200 mm.

Initially, you need to jack up the bathhouse box to a height of at least 30 cm, after which the old foundation remains are dismantled, and the soil area under the bathhouse box is leveled and leveled to get rid of humps and slopes.

The next step is to lay timber beams on the ground; the jacks do not need to be removed or rearranged. A pair of channels are placed on top of the timber under each of the longitudinal walls of the bathhouse. Water pipes are laid between the steel beams and jacks are released. The building sits on an improvised platform, along which you can easily winch the bathhouse box to a prepared and compacted area.

At the new location, the building must be jacked up again and, without removing the upper channel beams, new supports must be assembled from brick.

Basic requirements for structures without a foundation

Perhaps the main question of this article is “How to build a bathhouse without a foundation?” It should be understood that such structures do not imply a complete absence of foundation. They will have a foundation, but modified. Any structure without a foundation will sink unevenly into the ground.

It is important to understand that erecting a building without a foundation is not permissible in all places. Therefore, first you should make sure that there is solid soil on the site

The ideal solution would be rocky soil found in mountainous areas. If the soil is sandy, then the building will have to be placed on a foundation.

An important point is the requirements for structures without a foundation. To avoid questions from government regulatory authorities, you need to follow a number of rules during construction:

The weight of the structure should be no more than 4000 kilograms. The total area is no more than 30 square meters. The measurement must be taken along the outer perimeter. The bathhouse must have 1 floor

Installing a second floor will not only attract the attention of regulatory authorities, but will also significantly increase the load on the foundation. The building must be collapsible, at least conditionally. Of course, no one will try to dismantle your bathhouse, but you need to remember that according to the law, such an opportunity must be present.

https://youtube.com/watch?v=ilcK9v-jw-8

If you cannot meet all of the above requirements, the structure will have to be registered accordingly. In such a situation, the best option would be to place the bathhouse on the foundation.

Troubleshooting

The repair of a wooden bathhouse begins with an inspection to identify construction defects. This will help determine exactly what work needs to be done and what material to prepare for repairs. The inspection is carried out as follows:

• the external walls of the building are inspected, the design of the corners, the integrity of the insulation, the presence of cracks and crevices are checked;
• Inspection of the foundation is required. If large defects are revealed, such as severe subsidence or large cracks, the structure will have to be raised to eliminate them;
• an inspection of the roof and ceiling is carried out, along with an inspection of the chimney. If a violation of the insulating layer and large cracks are discovered, they must be eliminated;

  
  The process of repairing a roof in a log bathhouse

• windows and doors are checked for distortions, tightness and cracks;
• the internal surface of the bathhouse is checked for the presence of fungal growths and mold;
• the floor must be checked for safety and presence of rot;
• The sanitary sewage system in the bathhouse is being inspected.

Once all these activities are completed, you need to draw up a detailed description of the work and an estimate, which will make it easier to navigate when purchasing material. Assess your strength - whether you can do this work yourself, and how much time it will take you. Now there are a large number of companies on the market that are ready to help you in this matter; you can invite several teams at once and choose the one whose repair conditions suit you best in terms of time and price.

How to raise a bathhouse

What if you already have a bathhouse on your property, but you want to raise it. For example, for the reason that you noticed how the walls are rotting from below. How to raise a bathhouse without a foundation? It's not as difficult as it might seem. You will need a jack (you can have one, but it will be easier with several), supports and posts on which the bathhouse should eventually be installed. So how is this done?

Place the jack under one of the corners of the bathhouse and carefully lift it. Not too much, five centimeters at a time will be enough. Place a firm base. Move to the next corner and repeat the same with it. So, the foundation has been laid under the walls, now you can begin to support. Everything is the same: you lift the corners a little bit, put supports one after another, remove the jack. If you have several jacks at once (preferably four), everything can be done much more conveniently: you install the jacks at all corners at once, lift them at the same time, and only then add supports. This way you can raise the bathhouse not five centimeters at a time, but a little more. In addition, this way the load on each individual jack will be less, which means there will be less risk that something will go wrong.

If the crown of the building looks unreliable and it seems to you that it may break, there is no need to follow the above instructions, because this is dangerous and fraught with injury, not to mention harm to the structure of the bathhouse.

Lifting rules

When lifting a building, you should know the weight and dimensions of the structure. Of course, you can use one jack, but the procedure will then take a very long time. But 2 or 4 jacks will seriously speed up the process. Do not forget that the walls must be securely fixed when the jacks are removed.

The lifting procedure is performed in several stages:

1. Devices should be placed at support points. Support areas should be prepared in advance.

1. Next, a rise of about 3-4 centimeters is performed. First you need to raise one wall, then put strong and reliable supports under the wall.

1. Supports made of boards, logs or other reliable, strong material should be installed between the devices at an angle.

1. Now we need to move the jacks. The load of the wall is transferred to pre-prepared supports. In the meantime, the devices need to be moved to the opposite wall. All previous steps are completed.

1. Once the supports are installed, the devices can be removed. Next, the walls are raised to the required height. You can raise two walls or all four in this way.

The procedure for installing a clay base

Preparatory work for arranging the base must begin with markings. Once the measurements have been taken and the boundaries of the base have been marked, you should begin arranging it. Such activities are carried out in the following order:

• The first step is to dig a pit. Its depth varies from 20 to 40 centimeters. The bottom of the pit must be level, so when carrying out work you need to use measuring instruments.
• Next you need to make the formwork. For these purposes, you can use boards with a thickness of 25 to 50 millimeters (used, but in good condition).
• The next stage of foundation installation is filling the pit with clay. She needs to stock up for future use, as a layer of at least 30 centimeters is needed. Filling the pit with clay should be done in stages - approximately 10 centimeters per day. It must be compacted thoroughly. For these purposes, you can use a special device or an ordinary hewn log.
• Immediately before installation of the above-ground part of the building, it is necessary to carry out waterproofing measures. Roofing felt and expanded clay are best suited for these purposes. You can use special waterproofing materials, but their cost is much higher.

The construction of a bathhouse without a foundation is beneficial (from an economic point of view) in places where clay is freely available. Otherwise, installation without a foundation can be much more expensive. In such a situation, it is better to initially place the building on a foundation.

Required Tools

When carrying out work with your own hands, you need to prepare the following tool in advance:

• a circular saw;
• Bulgarian;
• milling machine;
• hacksaw;
• electric drill;
• axe;
• chisel;
• sledgehammer;
• scrap;
• hammer;
• tools for laying and leveling concrete;
• plane;
• shovel;
• roulette;
• construction level;
• plumb line

Installation of a base of crushed stone and sand

The base installation technology may be slightly modified. Sand and crushed stone are often used for such purposes. This option is perfect for black soil areas. Sand and crushed stone are a stronger and more stable base for a building. To equip a base of sand and crushed stone, you need to act in accordance with the following recommendations:

• Dig a pit at least 80–100 centimeters deep. It should be understood that this is a labor-intensive process and can take a lot of time and effort.
• Remove drainage trenches. Their effective operation is ensured by a greater depth than the depth of the pit intended for installation of the base.
• Cover the bottom with sand, then lay a layer of crushed stone. For these purposes, building materials of the middle fraction are ideal.
• Fill the trenches with draining soil. You can arrange ditches like drainage wells, alternately laying layers of crushed stone and sand.
• The final stage of foundation installation is to carry out waterproofing work. For these purposes, any suitable waterproofing material can be used.

A bathhouse placed on such a base will last much longer. This is due to the fact that the base made of crushed stone can withstand heavy loads.

Ceiling repair

Before disassembling the ceiling, you need to remove the insulation from the attic. Then you can disassemble the entire ceiling. Inspect the ceiling beams; if damage is found, they must be replaced. If the ceiling covering is in good condition, it is enough to simply lay new insulation.

Before laying it, thermal insulation is installed. Mineral wool or polystyrene foam is used as thermal insulation.

The material is placed between the beams, then the attic floor is laid and insulated on top of the ceiling beams.

What is the technique of “drilled injection piles”?

One of the most modern methods of strengthening a flimsy foundation is the technology of drilled injection piles. It is quite expensive and cannot be accomplished using home remedies, but in the most difficult cases it is a real lifeline.

So, the essence of the method is this: inclined wells of about 25 cm in diameter are drilled on both sides of the foundation. How deep - until the drill hits solid soil. After this, workers pour cement mortar into the wells and immerse a special frame of reinforcement into it. When the concrete dries, the bathhouse will already rest on several reinforced concrete piles at once.

Typically, for such reinforcement, piles with a diameter of 108-219 mm are used - and sometimes even more. In total, it takes from two to five days to strengthen a typical old foundation - it all depends on the complexity and volume of work. They are mounted using a rather complex mechanized installation, thanks to which they are placed accurately and tightly to the foundation itself.

Go straight to the project search

At our dacha, the bathhouse has already been used for more than a dozen years. The design of the bathhouse is quite traditional, a small log house. The roof is covered with slate, but for the time being, no one thought about the foundation.

Over time, the lower crowns, especially the very first one - the frame crown, began to rot. As far as I understand, this problem is typical for many baths; if you heat regularly, the bottom of the wall is constantly exposed to moisture.

At first they just wanted to change the two lower crowns, but during their examination it turned out that the bathhouse did not have a foundation as such. The corners of the log house rest on large stones dug into the ground, and that’s the entire foundation.

It was decided to cast a strip of shallow depth, and make a brick plinth on top of it. The equipment included two jacks, a chainsaw and hand tools, plus a concrete mixer and a welder borrowed from friends for the time of pouring.

The old brick stove was in need of repair for a long time, and it was decided to dismantle it and, after replacing the crowns, replace it with a new metal stove. Before starting to lift the log house, the stove and chimney were dismantled. The floors and joists were also not in the best condition and were sent for firewood.

The inside of the bathhouse is lined with boards; they decided not to remove it, but to avoid cracking, raise the bathhouse slowly and evenly. The roof, by and large, is also not in the best condition, but at the moment it is not leaking, and it was decided to leave it, so to speak, until better times.

Initially, they dug under two corners of one wall; they didn’t immediately cut out pieces of logs that needed to be replaced - who knows what will come of it. Jacks were placed into the resulting holes. To prevent the jacks from denting into the ground, shields made from scraps of 50 mm boards were placed under them. They lifted it very little - about two centimeters. Then they put up temporary supports made of boards and bricks and crossed to the other side. Two supports were placed on each wall - eight in total.

Since we moved it little by little, we had to do a fair amount of running around with the jacks, five approaches on each side, that is, we raised it by about 10 cm. Maybe we could have done all this faster - two approaches and it was done, but I didn’t want to risk the skin.

On the last climb, when the wall was still on the jack, the rotten logs were sawed down and the middle part was removed. After this, props were placed under a normal log, and the jack was lowered and the corner fragments of the rotten crowns were pulled out.

To prevent the log house from standing on temporary supports for a long time, it was decided to first make corner posts - the result was small posts with a base of approximately 40 by 40 cm, and the top narrowed to 30 by 30 cm. The depth of the post is 40 cm below ground level, plus 20 cm for a sand cushion . The total depth of the trench was 60 cm. Pieces of reinforcement were placed in the columns, to which the reinforcing frame of the tape was then attached.

The column rose just a little above the ground, only 10 cm, the rest was raised with bricks. By the way, this solution did not seem to me the best, and the tape under the walls was cast higher.

The pillars were allowed to stand for four days, after which a bathhouse was placed on them. I understand that the concrete has not gained strength, but the log house doesn’t weigh much at all, and the deadlines are running out, and vacations have an unpleasant tendency to end. They cast the tape and, after letting it sit for three days, raised the base.

Waterproofing was done with roofing felt in two layers. The first is between the foundation and the brick plinth, and the second is between the brick and the first crown of the frame.

The time was spent two weeks, and almost half of the time was waiting for the concrete to gain minimum strength.

Repairing the floor

When inspecting the floor, we pay attention to the condition of the beams, lower crown, joists and boards. If an unpleasant odor emanates from the underground, then the wood has begun to rot, although a visual inspection does not reveal any damage.

You can use an awl to check the integrity of the logs; they can be easily pierced if the tree has rotted at the core. Joists quickly begin to rot if waterproofing has not been installed.

Scheme for repairing damaged areas of the floor in the bathhouse

The process of rotting logs is especially dangerous for bathhouses made of logs and frame houses, since the damage can spread to the walls. If there is no need to completely change the coating, you can make partial repairs. Damaged areas are cut out, and new ones are installed in their place. The logs are fastened using aluminum plates and self-tapping screws. Then nail and mount new boards and the floor is completely dismantled and leveled with a plane.

If rot has damaged the beams, subfloor, joists and crowns, then you will have to replace it all:

• the floor is completely dismantled;
• logs and beams are removed;
• the two lower crowns are cut out in parts and replaced with a new beam;
• install new beams onto which to attach the logs;
• install flooring from new boards - subfloor;
• waterproofing and insulation are installed: 15 cm polystyrene foam for the dressing room, polystyrene foam for the washing compartment.

Replacement of damaged area without raising the house

If the foundation is not destroyed and most of the logs are intact, then you can replace a fragment of the crown without understanding the house and without making a complete replacement. The degree of damage in width and depth is determined. Using a chisel and a chisel, areas of wood damaged by rot are removed.

1. Stepping back half a meter on both sides from the area to be restored, vertical ties are installed. The tie is a metal strip at least 2 mm thick and long, allowing three crowns to be pulled together. Through holes of 10x12 mm are drilled in the metal tie and in the center of the logs and tightened with pins.
2. The damaged area is cut out with an electric circular saw or manually. At the ends of the lower crown in the repaired area, nests are made - notches for a tenon for connection with the insert. An insert is made according to the dimensions of the cutting, fits into place and secured with dowels.
3. All cracks and gaps are caulked with resinous tow and treated with an antiseptic. Polyurethane foam will also work. The remaining foam is removed and the seams are decorated with putty matched to the color of the log.

Buying a ready-made bath

If you are not sure that you can build a bathhouse yourself, you can always purchase a ready-made option. Then the foundation must be done in the same way as described above. The technology won't change. You just have to focus on the dimensions of the finished bath; don’t forget to check them carefully and several times. In general, even if you want to buy a so-called “mobile” bathhouse on wheels, the base will not interfere with it.

It is always better for the structure, even a mobile one, to stand horizontally, without distortions. Especially if you are never going to transport the purchased bathhouse anywhere. The weight of the building will still cause it to sag. Distortions will cause inconvenience when using the bathhouse, so a solid base will be a good solution. The only thing is that when buying a mobile sauna, you can take a little less care of waterproofing. It will still rise above the ground.

So, if you are not afraid of difficulties, have ingenuity and some engineering imagination, it will not be difficult for you to build a bathhouse on your own at your summer cottage. The main thing to remember is that if something doesn’t work out for you, stop and ask for advice from more experienced friends and acquaintances. You can also often get qualified advice on some forum dedicated to construction. Of course, it is a very special pleasure to steam in a sauna built with your own hands, so overcoming all the difficulties on the way to this goal is really worth it.

Repairing rotten sections of the building crowns without raising the house itself

It often happens that the log of the lower crown of a wooden building, located closest to the ground, is not completely rotten - only a certain area can be affected by damage. This means that repairs can be made only in certain areas, without changing the crown completely. In this case, doing the work yourself will be much easier. This is especially true in cases where raising the house can cause serious problems. For example, a strip foundation under a log house that was raised to carry out repairs runs the risk of being destroyed. During “local” work, only the damaged section of the log is changed.

Repair of the lower crowns is carried out as follows:

• Step 1. Determine which area is damaged. We take a chisel and find out how much the wood has rotted. We clear the wood on both sides of the damaged area. Quite often, the use of a chisel makes it possible to understand that the area is much more damaged than is visible upon first inspection with the naked eye.
• Step 2. From the edges of the damaged area, make an indent of 40 centimeters in both directions. We place ties whose height coincides with the height of two or three crowns.
• Step 3. We take the “magpie” boards and nail them to the frame; such manipulations should be done from the inside and outside. We drill holes in the first crown, which is pulled together, and in the last one. We install special tie rods (they must pass through, and their diameter is 12 mm or more).
• Step 4. Take a chainsaw and carefully, but carefully, cut out the damaged part. In the crown, which required repair and replacement of rotten areas, we create notches, the width of which is 2 cm. Such notches are required in order to firmly connect the log with the new element, which will be inserted subsequently.
• Step 5. Make an insert using a log of the same diameter. The length of the insert is exactly the same as the length of the cut section. Don't forget to make counter cuts on the insert.
• Step 6. We insert a new element in place of the area that we previously cut out. Having placed the block, we carefully finish the insert into place using a sledgehammer.
• Step 7. In the places of notches, we make three holes all the way through from different sides, then we drive in dowels, which will then give us the opportunity to firmly connect the insert and the old log. All cracks must be caulked with tow; moss or jute are also often used for this purpose.

This way you can renovate multiple areas. Corner joints can also be repaired this way. However, such measures can be resorted to only in extreme cases, if the house cannot be raised, since the strength of the structure after repairs is somewhat reduced.

Prevention of rotting of the lower crowns: protective measures

You can replace old logs in the crown, but after 2-3 years you will find them rotting again. To prevent this from happening, the lower crowns must be properly waterproofed and protected from rotting. Protection measures may be the following:

• Making lower crowns from larch, which is little susceptible to rotting. Instead of solid logs, you can use larch boards. They should be placed under the lower crown. This way, a protective layer that is not susceptible to fungi will be formed between the crown and the foundation. A good alternative to larch are oak logs and boards.
• Coating logs with antiseptic. You can use any water repellent, for example, antiseptics “Pinotex”, “Sadolin”, “Senezh Ognebio”, etc. Another popular “folk” antiseptic is machine processing. Its disadvantage is a sharp odor that does not disappear for a long time.
• Coating the base of the bath with a water repellent.
• Using several layers of roofing felt (2-3) to waterproof the joint between the crown and the foundation.
• Protection of the lower crowns from external moisture using canopies (for example, from galvanized strips).

Such simple methods will help you eliminate the cause of rotting and prevent the need to repeatedly replace the lower crowns of the bathhouse.

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Video description

How to lift a box with rotten crowns is described in detail in this video:

Preparation of tools and materials

By removing the cladding and tearing off the foundation, you can accurately determine the scale of the problem, the nature and scope of the work to be done. This will allow you to prepare everything you need at this stage. In any case, you will need a laser or water level and a plumb line to control the verticality of the building, as well as materials for installing temporary supports. These can be thick boards, beams, concrete blocks, bricks from which support columns are built.

If it is necessary to pour a new foundation or move the frame, you will need long, strong wooden beams or steel channels, which are brought under the entire box from below, supported by posts placed outside its perimeter.

Logs or beams for replacing the lower crowns are also prepared in advance, cut to length and treated with antiseptic impregnation.

Preparing new crowns for installation Source dom-29.ru

All materials and tools that may be required to reconstruct the bathhouse should be at hand. The less time the log house spends in a “suspended” position, the less risk it will warp and deform. For example, sand, cement and reinforcement for building a foundation must be delivered to the site before the lifting begins.

Sand and gravel base

It still won’t be a foundation, but you’ll have to dig a foundation pit. This option is suitable for less dense soil.

1. Dig a pit. Its depth should be 90-100 centimeters. Theoretically, you can get by with a shovel, but it is better to use special equipment.
2. Dig drainage trenches. They should go downwards and at an angle from the pit. Their task is to drain groundwater from the pit and reduce humidity. The trenches will need to be filled with special drainage soil.
3. Fill the pit with crushed stone. You can use something else, such as broken brick, but it will be less effective. Crushed stone is better.
4. On top of the crushed stone you need to lay a waterproofing layer of any material that you like and that meets the purpose of waterproofing. Roofing material is well suited for these purposes.

Such a base can support much more weight than a clay base.

Preparation of thrust pads

It is possible to raise the building evenly only if there is a reliable and level foundation under the jacks. If the ground sags under load, then because of this it will not be possible to make the same movements. If the device is installed at an angle, the structure may move to the side.

The tool stem must rest against strong material. If the device rests on the ground, then several preparatory steps will need to be completed.

1. Groundwater should be drained using drainage channels.

1. You need to mark the reference points where you will dig. It is worth noting that there must be at least 4 such points. If necessary, more support platforms can be made.

1. It is very important to compact the bottom of the holes well. After this, you can make a platform using reliable and strong material.

1. All rotten crowns should be cut out so that there is support for strong logs that are not damaged.

Windows, doors and trim

As a rule, window frames and doors installed in bathhouses are made of wood. With constant interaction with water, it is deformed, resulting in the formation of cracks. The solution to the problem is to completely replace the window frames and doors.

The final stage of bathhouse renovation is interior decoration. The process of improving the bathhouse premises is left to their owners. When shaping the interior, you can use any building materials. The main thing is not to place flammable things in the immediate vicinity of the boiler or stove. Preference should be given to wood. Its use is more consistent with the design style of Russian baths.

Repairing and modernizing an old bathhouse is a labor-intensive, but not very expensive process. It is affordable for any average owner of a country plot.

Modernizing a bathhouse may involve a number of other measures, for example, you can add a veranda on which garden furniture will fit perfectly, but such tasks are not a priority. It is possible to operate a bathhouse without a veranda or even a dressing room, but it is not recommended to do this if the floors are rotten or the roof is leaking.

For repairs, high-quality natural materials should be used. When synthetics interact with water and high temperatures, various chemical elements can be released and negatively affect health. As mentioned above, the ideal solution is wood, a completely safe material with an attractive appearance.

Bathroom renovation tips

In addition to the main structure, minor repairs may be needed. What parts can fail:

• It is advisable to completely change the wiring in the bathhouse. Previously, aluminum wires were used; it is better to dismantle them and lay a cable with copper conductors.

  
  Example of power supply for a bathhouse
  The cable cross-section is selected based on the use of devices in the bathhouse: for some light bulbs, a 2.5 mm cable is sufficient;

• Old windows and doors can cause heat loss; they need to be replaced by first insulating the slopes with polystyrene foam or polyurethane foam;
• The same should be done with the furniture in the bathhouse. Shelves, benches, shelves, tables are replaced with new ones, pre-treated with an antiseptic and water-repellent composition;
• If necessary, you need to change the stove. The old structure is dismantled and a new stove is installed in its place. It can be assembled from brick, or bought ready-made in a store.

The video shows the process of replacing crowns in an old bathhouse.

What is a foundation?

The foundation is the basis of any structure, ensuring its stability. The strength of walls and ceilings directly depends not only on the area chosen for the construction of the building, but also on the quality of the foundation laid. Owners of wooden buildings, including bathhouses, are soon faced with the problem that the foundation begins to collapse. And this leads to the need to carry out urgent major repairs of the foundation. The causes of destruction can be factors such as: unprofessional laying of the foundation, the use of low-quality materials, poor waterproofing between the foundation and the bottom of the logs. Often, developers, in order to insulate a wooden structure, add an additional heap, which, covering the lower rows of logs, prevents the ventilation of the room. As a result, the lower part of the building begins to rot, and the logs turn into dust. Let's take a closer look at how best to repair such a collapsed foundation.

The beginning of the construction of the foundation - this is how it all began

Inspection of the structure

The purpose of the event is to identify faults, determine a method for correcting them and compile a list of necessary materials and work.

The audit is performed as follows:

• inspection of external walls - the condition of the insulating material, the presence or absence of cracks, crevices, gaps, rot, the integrity of corners and other wall structures is checked;
• inspection of the base - checking for the presence or absence of flaws;
• inspection of the roof and ceiling - the general condition of heat, water and thermal insulation materials is checked, as well as the presence or absence of defects;
• inspection of the stove and chimney - the presence or absence of certain damage or burnout is checked, as well as the condition of the lining, if any;
• inspection of doors and windows - checking the presence or absence of distortions, cracks, chips, gaps, cracks, as well as tightness;
• inspection of the floor - the general condition of the insulating materials is checked, the presence or absence of fungus, termites, cracks, crevices and other defects, as well as the “health” of the finish, if any;
• inspection of internal walls - the presence or absence of cracks, cracks, chips, gaps and other defects is checked, as well as the condition of the facing material, if any;
• inspection of interior items;
• inspection of water supply and drainage systems;
• inspection of electrical wiring.

Clay base

If the soil is dense, is not washed away by water, and is not prone to sloughing or sliding, you can use this method.

1. Level the site where construction is planned.
2. Mark the outline of the future bathhouse and dig a trench along its perimeter. The depth should be about 30 centimeters, the bottom of the trench should be strictly parallel to the surface of the earth.
3. Reinforce the trench with boards. They must be quite durable, that is, rotten wood falling apart from old age will not work here.
4. Fill the gaps between the boards with clay. Do not dump all the clay at once, do it gradually, for example, 5-10 centimeters of clay at a time. Tamp it down thoroughly each time. You can use a special roller or just some kind of log, which you will need to knock on the clay, compacting it.
5. The clay will dry in a few days, and now you can build walls on it. It will provide sufficient density to the base.

Features of the soil on the site

Why does the lower crown rot?

The best material for building a bathhouse is a log or rounded timber.
Wood begins to rot when it cannot cope with the removal of moisture from the room to the outside. This happens when, for some reason, moisture enters this area in large quantities and accumulates.

The reason is the following:

• Incorrectly laid 2nd layer of waterproofing between the bottom log and the base. Water is not retained by the roofing material, but rises to the tree.
• Unventilated foundation - to ensure the removal of moisture, ventilation must be made in the foundation of the bathhouse. Without them, moisture accumulates at the bottom of the walls and floors.
• No low tide - water after rain stagnates on the roofing material and penetrates into the tree. They solve the problem by installing a regular drip sill on the base of the bathhouse or by building a concrete blind area along the perimeter of the house at an angle.
• The cause may also be poor treatment of logs with antiseptics. In this case, the wood's tendency to rot increases.

Damage to the lower crown is caused by improper floor construction, poor ventilation in the washing room, or concreting the floor without additional waterproofing.

Roof repair

Roof repairs are carried out based on the covering material:

• Slate. If the slate cracks, the cracks can be sealed with a mixture prepared independently:
• Cement – ​​1/3;

Asbestos – 1/3;

• PVA glue – 1 part;
• Water – 1 part.

The slate needs to be cleaned and covered with primer. Once the soil has dried, you can begin to seal the cracks. The mixture is applied two millimeters thick in several stages. In this case, each layer must dry well before applying the next one;

Elimination of defects in the design of the bathhouse

These elements include: walls, foundation, roof, ceiling, floor.

Scheme for replacing the foundation under a wooden bathhouse

How to carry out repair work correctly? We need to act according to plan.

Base repair

The foundation is subject to repair if:

If during inspection these signs were identified, then the first thing to do is to install a storm drain, which will help drain rain and groundwater from the foundation. Once the cause of the subsidence has been eliminated, you can begin repairing the base of the bathhouse; you can do it like this:

• Prepare the building for lifting; for this you need to completely vacate the room; it is worth disassembling the sauna stove if it is made of brick;
• Prepare jacks, beams, boards, small blocks - all this will be useful for lifting. The bathhouse is not as large a structure as a house, but the work ahead is large and painstaking.

Drawing for raising a bathhouse to replace the foundation
The building must be raised gradually so as not to damage the integrity of the structure.

How to raise a bathhouse

There are several ways to raise a bathhouse yourself:

1. On the second crown from the ground on one wall, two holes are sawed at a distance of 20 centimeters from the corner, under the timber. They make the same ones on the opposite wall. A long beam is pushed into these holes, which will hold the entire structure. The area under the ends of the beam is cleared, on which a small sheet of plywood is laid to stabilize the jack. Place jacks under both ends of one beam and carefully begin lifting one side of the building. As soon as one side of the building is raised to a small height, you need to place previously prepared blocks under the beams, and do the same manipulations on the opposite side. You need to repeat the manipulations until the bathhouse is raised half a meter above the destroyed foundation.

2. You can lift the bathhouse using only one jack. To do this, start lifting from one corner. It cannot be raised to a great height; the structure may change its geometry. Having raised one corner, we move to the other, moving from corner to corner and placing supports under them.

As soon as the bathhouse is raised to the desired height, you can proceed to the next stage - dismantling the old foundation.

Dismantling the foundation

If the base is severely damaged, it will have to be completely dismantled and the trench cleared. If there is strong subsidence of the old foundation, it is better to dig a trench 20-30 cm deep. If the foundation is partially damaged, then repair work can be carried out without completely dismantling the old foundation; it is enough to remove only the damaged area. You can also arrange a foundation corset around the perimeter of the old base with additional reinforcement of the base.

The process of dismantling the old bathhouse foundation

Preparing for pouring:

1. A sand cushion is placed in a deep trench, which must be compacted well.
2. Install foundation waterproofing.
3. Make formwork from wooden panels or plywood.
4. Install a frame made of reinforcement.
5. To save concrete, you can lay coarse gravel at the bottom of the trench.
6. Pour the concrete mixture.

As soon as the concrete hardens, you need to dismantle the formwork and treat the base with coating waterproofing. The foundation will be ready for use after three weeks, after which the structure can be lowered and repair work can continue. If the foundation has partially collapsed, then the formwork is installed only on the site of the damaged area that was dismantled. Partial filling is no different from regular filling.

If a decision is made to install a concrete corset, then the old foundation is not dismantled:

1. It is necessary to dig an additional trench along the outer perimeter of the base.
2. Arrange foundation formwork and reinforcement.
3. Pour concrete.

Important! A trench needs to be dug 20 cm deeper than the old foundation, and a sand cushion must be built. It is better to use reinforcement with a cross-section of 16 mm. In this case, the width of the trench can reach up to 30 cm.