The roof is certainly an important element in any house. After all, it is she who protects any house from bad weather conditions. And so if you decide to make the installation of the roof, then be sure to responsibly approach this issue. So, the installation of the roof must begin with the construction of a rafter system. Before making installation, you must certainly make a calculation of rafter systems.
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After you have completed the calculation of the system, you need to select the cross -sectional cross section, the methods of fastening the rafter elements and the step of the rafters. Before making the installation of the roof, the wood used must be treated with an antiseptic and fire solution. Rafter systems must be checked for the correctness of the length of each roof slope diagonal. In other words, it is necessary to check the rectangularity of the roof. In addition, it is also necessary to check the horizontality of the skate, roof fracture and cornice. You should also take into account the location of the windows of the attic, the outputs of the ventilation and the location of the chimney. When you build a rafter system, you can proceed to the installation of other roof materials. When installing a roof, it should also be taken into account the snow retention system.