In order to protect from rain, houses made of wood or adobe (clay with chopped straw) are often sheathed with boards that rot intensively. And plastering a wall containing organic matter is not only useless, but also harmful. The coating cracks, the wall stops "breathing" and a fungus appears.

A more reliable solution is to use a modern plastic lining(PV), plus competent ventilation walls. You can even lay a heater.

I give a diagram of such a design (Fig. 1). air through ventilation hatch penetrates into the space between the sheathing and the wall (or insulation), rises up and exits near the roof. At the same time, it is important that ventilation gap was at least 1-2 cm.

From above we cover it with a fiberglass facade plaster mesh and nail with plastic washers (cut from 4 × 4 cm flasks). We start under the washers copper wire, tying the fabric.

We nail the plaster shingles in the center. Caring for the wall is very simple: in the spring we open the hatches so that it dries properly, and close it for the winter.

Attention!

Use foam plastic, pressed glass wool plates and mineral wool on aluminum foil is impossible - these are airtight coatings.

Wall decoration of an adobe house and ventilation device: drawings

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Those living in adobe buildings note that due to the high massiveness and thermal inertia of the walls made of heavy adobe, they are cool in summer, and fluctuate in winter. outdoor temperature little effect on the temperature in the house. However, walls made of heavy material are not always energy efficient enough, and they have to be insulated.

heavy monolithic walls or built of blocks in strength may not be inferior to brick
A wall made of heavy adobe, dense and without voids (density 1200-1600 kg / m³), ​​is close in terms of thermal conductivity to effective (hollow) brick or foam concrete (depending on the ratio of clay and straw in the material) and has a thermal conductivity coefficient of 0.3- 0.6 W/(m × °C).

It will be warmer the more straw it contains.

In the conditions of Ukraine, the wall thickness with such thermal conductivity of the material should be about a meter, which is difficult to implement and unprofitable in terms of labor costs.

Therefore, a wall of heavy adobe is usually made 40-50 cm thick, and then insulated and plastered.
Adobe requires application vapor-permeable insulation. Expanded polystyrene is excluded, adobe construction enthusiasts consider mineral wool to be non-environmentally friendly.

Connoisseurs recommend using reeds (reeds), which do not absorb moisture, do not rot and have a tubular structure with air inside the stems. It is used in the form of mats, laid with a layer of at least 10 cm and firmly fixed to the wall with dowels.

There is a lot of straw in light adobe, so it cannot be used for construction load-bearing structures and requires a frame device.

2-3 cm of clay or lime plaster are applied over the insulation (the latter is more durable).

The coldest places in any home are the corners.

The advantage of adobe technology is the ability to avoid problem areas, making the rounded corners of the outer walls, slightly increase their thickness.

Light adobe

Walls out light material do not have high inertia, but have a high energy-saving ability (at a density of 500 kg / m³ and below, the material can be used as a heat insulator).

Their thickness can be 25 cm, but blowing through is possible (like a shell rock) and, as a rule, the walls are made 30-40 cm thick. The denser the adobe is rammed, the warmer the structure.
Due to the fact that there is a frame in the wall structure, the density of light adobe can be significantly reduced, achieving high level thermal insulation at thin wall. Even with a wall thickness of 25 cm, the house does not require insulation.

However, in this case, it is important to use a strong plaster and to exclude the formation of cracks in order to avoid through blowing.

Cracks can occur due to loose laying and shrinkage of the material around window frames, in places where the adobe comes into contact with the frame, when the plaster cracks. However, they are easy to cover up, renew the plaster ( adobe house easy to repair).

Expanded clay or light adobe is usually used to insulate the floor in the house.