Daily Archives: January 12, 2015

Bipartite roofs with a rafter structure

In flat roofs with a high attic, with a rafter roof airspace temperature (attic) should be almost equal to the outside temperature. To make it possible, the air space of the flat roof must be adequately ventilated (supply and exhaust openings). …

Principles of thermal insulation of double flat roofs

The table lists the minimum thickness of thermal insulation for a flat roof according to the current thermal protection requirements for buildings. A Ceram rib-and-slab ceiling was adopted for the structural layer of the double-section roof, reinforced concrete slab and a wooden beam ceiling with a soffit. The types of ceilings selected for the analysis are present in buildings …

Ventilation of two-section flat roofs

Bipartite roofs best protect residential interiors against excessive heat loss, moisture and overheating. They are recommended especially above rooms with water vapor pressure above 2130 Well. In double-section flat roofs, the air space above the insulated ceiling under the roofing structure has …

Ceilings

The flat roof protects the internal rooms of the building against rainfall and temperature changes, that is, the influence of the external climate. The flat roof consists of many layers with different functions. On the supporting structure (ceiling) there is often a vapor barrier (vapor barrier), then a thermal insulation layer (thermal insulation). Between …

Painting with a roller Painting with a roller. Wide paint rollers are used to paint walls and ceilings 18-25 cm, covered with natural fur, often screwed onto extensions of various types. Also all ... 13.3k views | under Construction
Buildings of the ZL category Buildings of the ZL category According to the division of buildings according to their purpose and method of use, residential buildings, collective residence and public utility and parts of buildings constituting ... 12.7k views | under Architecture
Cast iron and steel in construction Cast iron and steel What is the difference between steel and cast iron? Steel contains less than 1,7% coal, while in cast iron it is 2-4% coal. Carbon content in ... 8.9k views | under Construction
Calculation of escape routes The width of horizontal escape routes is calculated in proportion to the number of people who can stay on a given floor of the building at the same time, assuming at least 0.6 me and 100 people ... 8.3k views | under Architecture
Installation of corrugated bitumen sheets Installation of corrugated plates - The even surface determines the tightness of the cover on the longitudinal and transverse overlaps of the panels. The top surface of the formwork or lat should form the plane of the roof slope ... 6.8k views | under Construction
Concrete reaction The alkaline reaction of the concrete protects the reinforcing steel against corrosion. Where does this alkaline reaction come from?? During the hydraulic hardening of cement, which is a binder in concrete, a significant amount is produced ... 6.7k views | under Construction
Building fire zones The basic assumption for the division of the building into fire zones and the resulting requirements, is to isolate the part of the building affected by the fire, in order to limit the possibility of fire spreading ... 5.5k views | under Architecture
Color cutoff Color cut-off Painting, is it the ceiling, or walls, we always start with the so-called. color cutoff, that is, painting the extreme places, borderline: corners, around the door trims and door frames ... 5.4k views | under Architecture
Metals in construction Metals in construction: • Aluminum is a silvery white metal, lekki, malleable, fusible, well conductive to heat and electricity, corrosion resistant. Used in construction ... 4.2k views | under Construction
Disadvantages of paint coatings Disadvantages of paint coatings The surface of the coating does not always turn out to be like this, what it should be like. Small lumps may appear on it, lumps, pollen. Usually it is ... 3.9k views | under Construction