12/13/2011

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Classifications of Roofs Getting roofing works, we must first understand what are the roof. Thus, the classification of roofs. The main purpose of the roof is to protect the building from the top of the atmospheric effects (rain, snow, fluctuations outside air temperature, solar radiation, wind and other external factors). Penetration into the building water and cold, as well as overheating of the sun roof lead to their destruction. Which naturally affects on its economic feasibility in mind the frequent repairs and alterations. Naturally, during the roofing work has bolshshie differences in the construction of different types of roofs. The shape of the roof is divided into pitched and flat. Form the roof is determined by the architecture of the building and its configuration in the plan. On the roof structure and attic distinguish bescherdachnye. Depending on the temperature regime of the upper building envelope bescherdachnye (combined), the roof is divided into unventilated and ventilated. By appointment distinguish operated (solarium, sports facilities, cafes, etc.) and unexploited roof. Pitched roofs are the attic and bescherdachnye. Attic roofs are made with cold or warm attic. Bescherdachnye roof can be cold (over unheated buildings) and warm (over heated buildings). Bescherdachnye roof suit both residential and public and industrial buildings in the industrial and agricultural purposes. In commercial buildings, often on the covers of satisfied svetoaeratsionnye lights. Shed roof slope is based on exterior walls at different levels. Gable roof usually consists...
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Paint Quality Institute In such cases, you may need to repair waterproofing, sealing composition and / or defective joints filled with mortar. You should carefully check the wall sockets, the roof, gutters and downspouts. Existing cracks should be repaired as, for example, silicone sealant. It is recommended to use silicone sealants, acrylic or water-based, which are easy to apply and paint, and which have the lowest rates of shrinkage and good dirt-repellent properties. Excessively porous brick be sealed brick, especially the old and weathered, can be highly porous and absorb moisture quickly. To avoid this, the surface should be primed sealing composition for masonry. Thanks to the exterior paint sealant will be absorbed evenly and look more uniform in color and tone. Acrylic latex sealant compositions are well suited thanks to the reliable adhesion to the brick surface. Use of the sealant will also help to reduce seepage salting out with water through the brickwork. If the wet and located in the shadow of a brick came moss recommend you to use conventional herbicides. Before applying the herbicide must be moistened with clean water so that the drug is not absorbed into it, because chemical compounds in herbicides contain soluble substances that may contribute to salting or enter into undesirable reactions with the paint. After applying the product, remove with a stiff brush and rinse the wall. If the brick has been previously painted, the surface preparation should...