Noise is sound waves of a certain frequency and power. Air noise can be distinguished (caused by contact with air) and contact noises (caused by contact with the material)
We can eliminate excessive noise … read on
Thermal insulation
The requirements for the external walls of the building relate primarily to thermal insulation. The construction law specifies, that buildings and installations in buildings should be designed so, that the amount of thermal energy needed for … read on
Exterior walls – general information
Division of external walls in the building:
• Load bearing (Design) – Carry vertical loads (from roofs, ceilings, Balconies) and horizontal (from the wind) and transfer them to the foundation benches.
• Unstable (shielding) – … read on
Technological system of the boiler room
Technological systems in the boiler room – basic elements. Hydraulics: boiler, hydraulic lines with devices (Pump, Valves), heating circuits (c.o., c.w.u.). Fuel delivery system: fuel tank, fuel lines, burner. … read on
Set for the construction of a foundation furnace
Building kits are designed and calculated sets of materials necessary for the construction of a tiled stove. As a rule, construction instructions are also attached to them, carefully taking into account the special features of the materials used. Mostly offered … read on
Installing diaphragms with anti-moisture insulations, part 2
Among the several cases of isolation in monuments threatened with dampness, an instructive example may be the course of proceedings related to the conservation of the palace in Wilanów.
Palace and garden complex in Wilanów, due to its architectural values … read on
Installing diaphragms with anti-moisture insulations, part 1
Many historic buildings lack horizontal and vertical insulation or have it in such dilapidated condition, that it no longer resists the penetration of moisture, especially the walls being pulled upwards. Ordinary for … read on
Covering wooden roofs of single-family houses with a corrugated sheet
Roofs covered with sheet metal are exposed to unfavorable phenomena consisting in settling of moisture on the underside of the sheets, condensation of water vapor, flowing it down the plate to the line of the battens, and even detachment … read on
Securing the building in the event of land slide movements, part 3
Scheme of securing the foundation area of the church of St.. Anna in Warsaw
1 - electric field boundary, 2 - positive electrodes (aluminum rods), 3 —Negative electrodes (perforated pipes), 4 —Cement injection points.
Independently … read on
Securing the building in the event of land slide movements, part 2
The first signs of subsoil movement were numerous cracks on the surface of the sloping slope and the slow sliding of the earth lumps. Cracks and slides occurred in different places and at certain distances from each other, … read on