Arbolite do-it-yourself bathhouse

The construction of the bath is one of the cherished desires of many men. It is noteworthy that it can be made not only from wood, foam block or stone. For this purpose, you can use arbolit - a material, which consists of sawdust and cement mixture. It is ideal for the construction of baths, as it has high thermal insulation properties. And most importantly - it does not rot and is not subject to burning, as the tree. In the article we will tell you how to build a bath of arbolita with your own hands, show photos and video instructions.

Why exactly wood concrete

Arbolite do-it-yourself bathhouse Arbolite block

Arbolite is a type of lightweight concrete. You can buy it in hardware stores or just make it yourself. To do this, take the chopped wood (sawdust), water and cement, and knead the solution. For quick setting of cement, aggregates must be added to the composition. Alumina sulphate, calcium chloride or lime may be used. Often use lime milk.

But why is arbolite ideal for building a bath? Due to its properties, and the following advantages:

  1. Low weight. One arbolit block in volume is the same as 15 ordinary bricks, but its weight is 10 times less.
  2. High frost resistance. The high term of operation, material remains very long.
  3. A high degree of heat saving. Due to its heat-saving characteristics, it is superior to expanded clay concrete.
  4. Non-inflammability of the material.
  5. Ideal for machining. It can easily be drilled, chopped and sawed to fit the size. Nails are easily nailed to it and screws are inserted.
  6. Plastering wood concrete walls is very easy.
  7. Cracks do not appear even after the building shrinks.
  8. The material does not rot, which is an important factor, since it is a question of building a bath.

If you make a bath of arbolita, then you can trim with different materials. All these properties make arbolit an ideal material for a bath. Let's learn how to build such a building.

Construction of the foundation

Arbolite do-it-yourself bathhouse The foundation is a strip foundation

Given that arbolit a rather light material, and the bath is mainly small in size; it is not necessary to make a powerful foundation. For this purpose, you can use shallow-tape foundation or columnar. Which option to choose, decide for yourself. If we talk about the common strip foundation, then it must be erected in several steps:

  1. The first thing on the ground is the marking of the future building with a cord and pegs.
  2. Based on a guide, a trench is dug. Choose the width of the foundation so that after laying the walls there is a wide ledge that allows you to put logs under the wooden floor.
  3. Then you need to lay drain pipes through which water will flow.
  4. At the bottom of the ditch you need to pour sand in the 20-25 cm.
  5. Then you need to install the formwork along the edges of the trench. It is better when the basement has a height of not less than 40 cm.
  6. A rubble, sand or wooden bars are laid in a trench with a layer of 5 cm - a pillow is formed. A reinforcement mesh is installed on top of it.
  7. Now it remains to fill in everything with a solution of concrete, compact it and level it.
  8. The entire area where the steam room will be located must be poured in a layer of 5-8 cm, making a slope that will be directed to the opening of the drain pipe.
  9. The final stage will be the waterproofing of the base. It needs to be smeared with bitumen and lay several layers of roofing material.

It is necessary to carry out further works on the construction of walls after about a month, when the concrete solution is completely strong. In order to avoid formation of cracks, the first two weeks the design needs to be humidified every day.

Arbolite do-it-yourself bathhouse Column Foundation

If you decide to make a column foundation, you need to:

  • prepare a site for work: level off (remove) the top layer, make building markings and dig holes;
  • install concrete or brick pillars with strapping on top (grillage). It can be from a metal frame, which is welded from corners, or from a monolithic belt (the material can also be different: wood, reinforced concrete or metal).

Asbestos-cement pipes filled with concrete can also be used as supports. In this case, the distance from one pipe to another should not be greater than 1.5 m.

At this, the first stage is completed, you can proceed to the construction of walls of arbolita.

Masonry walls

Arbolite do-it-yourself bathhouse

Walls of arbolita can be erected in two ways:

  • Wall of arbolitovyh blocks.
  • Monolithic wall of arbolitovogo solution.

The first method is quite simple. Enough to buy blocks and get to work. The laying is done in exactly the same way as the laying of ordinary bricks. Only there are some nuances.Before installing the blocks, they need to be moistened, as arbolit can draw out liquid from the binder, because it absorbs moisture well. And if they need to fit the size, use a saw for cutting stone. As a solution, you can use perlite mixture or cement-sand mortar.

Arbolite do-it-yourself bathhouse Splitting arbolitic blocks

You need to start putting blocks from the corner. It is also important to ensure that the horizontal line is level. For convenience, you can use the lace. Place the two corner blocks ideally even, stretch a rope along their edge, which will be a guide for even laying. Using the trowel handle, the blocks can be customized along the line by tapping them on top. Please note that the thickness of the seams should be no more than 10 mm. After laying the first row, you can proceed to the second. Corner blocks are put in, the rope is stretched, and the laying continues, but with the bundle chosen.

Arbolite do-it-yourself bathhouse The arbolite solution is poured into the formwork

To act according to the second method, you need to make an arbolite solution yourself and formwork. As a result, you should get monolithic walls. To make the solution, it is necessary to prepare a trough with low sides where the mixing will occur. The procedure for making the mortar is as follows:

  1. In the trough, sawdust and shavings fall asleep, which serve as filler.
  2. All this is filled with limestone milk, after which mineral additives are added.
  3. Then this mass must be gently mixed. For this purpose it is better to use a garden hopper, and not a shovel.
  4. Now you should pour the cement and mix thoroughly until a homogeneous mass.
  5. Gradually add water, stirring the entire solution.

To determine if the solution is ready, take a bit of the mixture and make a small lump of it. If the solution interlocks, then everything is ready. The consistency should not be liquid. If the solution does not adhere well, you need to add more cement and sawdust.

On average, to make 1 m 3 wood concrete, you will need:

  • organic filler (sawdust from coniferous or hardwood) - 250- 300 kg;
  • Portland cement 300 mark - 250-300 kg;
  • lime - 8-10 kg;
  • calcium chloride (as a mineral additive) - 6-8 kg;
  • water - 350-400 l.

Arbolite do-it-yourself bathhouse Flat slate

Care should be taken in advance to install the formwork. It is better to choose a removable or sliding formwork, whose height is 1-1.2 m. It is better when the formwork is made of asbestos cement sheets (flat slate). Inside it can be covered with limestone milk. It is important to secure the formwork, which is installed on the foundation. For this use the clamping bolts with parallel bars. The edges from the top must be backed up with jibs.

After everything is ready, you can pour the wood concrete mortar. It is important not to fill the entire formwork to the brim. It is better to pour a mass of not more than 50 cm at a time. Then everything must be tamped down and left to dry. If the temperature is 18-20ºC, then the composition will harden in 2-3 days, and if the temperature is lower - in a week.

Once everything is frozen, the formwork is removed. It is important to do this carefully so as not to damage the composition, carefully removing the bolts and planks. After that, the formwork is fastened higher, already on the finished wall, and the process is repeated until the wall reaches the desired height. Wood concrete is a hygroscopic material, so the walls need to be covered from moisture so that they do not collect moisture. Inside, the walls are sheathed with the use of vapor barrier, and outside - they are lined with decorative brick or plaster. A ventilation gap must be left between the wall and the cladding material.

Arbolite do-it-yourself bathhouse Wall decoration of wood concrete

When building a bath of wood concrete it is important not to allow its surface was in contact with water, because of its hygroscopicity (its ability to absorb moisture and water vapor from the air), the entire building may shrink.


Arbolite do-it-yourself bathhouse Roof for a bath of arbolite

The final stage is the roof device. There are no special features and subtleties in this work. Everything is done as in the usual construction of any building:

  1. On the walls, bars must be installed from the mauerlat.
  2. Then fix the rafter legs on them.
  3. Then sheathe the gable.
  4. To stretch a waterproof film on the rafters.
  5. Fix the crate.
  6. Put the roofing material.

Now your design is complete. There remained only minor work on the finishing of the building.

Interior finishing

Arbolite do-it-yourself bathhouse Interior finishing of the wood concrete brick

Execute the finishing of the bath from arbolita is very simple. The main thing that should be considered when finishing for a bath is the right choice of material.The finishing material must be:

  • resistant to hot air, large moisture and ingress of water;
  • hygienic;
  • do not contain toxins that can be released at high temperatures;
  • strong and durable;
  • do not cause allergic reactions upon contact with skin.

The most suitable option is natural wood or wooden lining. But you can use other materials that are suitable for all regulations and requirements.

This completes the construction of the arbolite bath. Now it will serve you for a very long time, and you can not worry that after a while the walls will crack even after the building has shrunk.

We also recommend you read the article "Sewerage in the bath with your own hands."


In this video, the author shares his impressions about the use of wood concrete blocks for building a bath:


Arbolite do-it-yourself bathhouse Walls are made even

Arbolite do-it-yourself bathhouse Overlapping beams in a wall made of wood concrete

Arbolite do-it-yourself bathhouse The gable also filled with arbolite

Arbolite do-it-yourself bathhouse Bath with a garage under the same roof

Arbolite do-it-yourself bathhouse Internal work in the bath

Arbolite do-it-yourself bathhouse Interior steam room


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