Wooden cubes in the outer area.

Wooden paving stones to be placed outside the building are distinguished as square and round. The square block consists of sections of rectangular beams or sleepers. Round cube …

Warm airtight walls are the first link in the technological chain, the basis of the Passive House concept is the saving of thermal energy, which is easiest to implement thanks to well-chosen construction material and well-insulated external walls of the building. The U heat transfer coefficient for such a wall should be smaller …

Within plastics, a distinction is made:
1) plastomers – termoplasty i duroplasty (thermosetting and chemically setting);
2) elastomery.

The production of plastics is based on two types of chemical reactions. As a result of them, macromolecules are formed from small monomer molecules. What are these …

Wooden window profiles should be made in a way that ensures water drainage. What minimum angle of inclination is required here?
The minimum angle of inclination of the window profiles is 15 °, an angle of 30 ° is preferred.

To ensure a sufficiently thick layer of coating on the edges of window profiles, all …

Sand-lime brick

What properties should a lime brick wall have–sand, if it is intended to be covered with a permanent coating?
The substrate should be firm, clear, with no scratches, seek, free of efflorescence and foreign bodies.

What are the disadvantages of a sand-lime brick facade? …

Brick and clinker

What is the difference between clinker and ordinary brick?
Bricks are made of clay and loam, with or without slimming admixtures, and then burns out. A distinction is made between the facing brick and the brick used on the inside. Only facing brick …

Injection concrete is known in the country under the names: "colcret", "Polcret" or "prepact - concret". The method of its execution consists in filling the mold with a thick aggregate constituting the concrete skeleton, that is, about the diameters 40 do 80 mm, and then injecting voids in this …

Concreting using a floating form – It is a technique similar to the slide concreting method, invented by the Swedish company Ab. Hydro Concrete. The concrete mix is ​​poured continuously in a floating manner, a sealed form with a prefabricated bottom. The concrete level rises and …

The measure of the energy standard of a building is an indicator called the seasonal heat demand for heating E, which determines the amount of heat related to the area or volume)’ the building needed to be heated during the year. It is expressed in kWh /(m2 • rock) or in …

Concrete mix in Hessian bags is sometimes used to build massive slabs or walls at the bottom of reservoirs by divers and to fill prefabricated structures with concrete. (made of thick fabric impregnated with bitumen). The bags are partially filled with fresh mixture and lowered under water to …