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The roof is in the bag house and are placed on it as similar requirements on the ground floor and the walls of the building, moreover, is burdened weather, snow, water and wind. According shape can be divided into the saddle roof, hipped, half-hipped, tent, tower, mansard or counter. smog fotoquimico By then tilt the flat, sloping or steep. The roof is made up of the roof deck and roof deck. The supporting roof structure is understood that part of the roof, which transfers the load from its own weight, weight of the roof deck, and additional design elements and climate externalities - wind, snow and water - to the vertical parts of the building. At the same time we must also reckon with the working load, which is dependent on whether the roof is movable or walked, or whether we count with only occasional maintenance. smog fotoquimico Roofing is located above the roof support structure, smog fotoquimico or below it, it is a part of the roof, which contains the basic and additional functional layers. The basic functional layers are covering (as the main waterproofing layer) and roof deck backing. Additional layers provide the required parameters (thermal insulation, acoustic, substrate, vapor control and stabilization function or another, arising from the special design of the roof). The roof may have one or more roofs in viacplášťových roofs are different shells separated by air layers.
Roofing is the layer that provides all other sections of roof covering basic protection from the weather. Her choice depends primarily on the capacity of the truss and roof pitch, it is often necessary to select the subject type and color, usually in the locality. From roofing also expect some weather resistance, durability and quality. Among other aspects, the materials classified folded and tape. Among folded include baked or concrete tile, slate and other materials used plate, coating the other hand tracked asphalt smog fotoquimico roofing foil or plastic-based, allowing the surface to create seamless, impervious to water. Traditional roofing materials with us is undoubtedly ceramic smog fotoquimico tiles with a smooth and long lasting smog fotoquimico benefit is the amount of shapes and colors can be Glaze. Technical parameters smog fotoquimico specified by the manufacturer - it is permissible smog fotoquimico or recommended roof pitch (usually 22-30 ), battens, insulating materials used and the method of installation. Weight of the tiles is 40-50 kg / m 2, preferably a high heat resistance, good storage and sound-insulating properties, favorable transfer coefficient of water vapor and durability up to 100 years. Part of the roof roofing system as well as additional elements - comb, ventilation, snow guards, smog fotoquimico ornaments and the like. Concrete and cement
Possible period smog fotoquimico of the above type is concrete tiles. In appearance is not much different from the roofing tiles, color is more variable and can be conveniently used on roofs with a slope of 17 , some systems even at the roofs with a slope of only 7 to 12 , but the downside is their weight (45-70 kg / m 2), they must therefore correspond to the sizing of the truss. They have a very long life time increases their strength. I here is the entire roof system with additional features. Another type is fiber cement roofing, which replaced the original widespread, but the content of asbestos fibers unhealthy asbestos. In addition they are molded or shaped plates, often coated, a large color range. Suitable for roof pitch of 15 , weighs 12-21 kg / m 2, under this covering must be ventilated area. Boards smog fotoquimico are lightweight, abrasion resistant and durable. The downside is problematic change in potential danger, because the tile is not walkable to their fragility. Boards smog fotoquimico are also used as wall cladding. -Dana D. Daňková-Photo www.profimedia.cz Next time: Roofing II. - Alternative Materials
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