The main details of the roof are rafters and roofing. The roof includes the upper shell of the roof, in which the water, insulating carpet, flooring, crate or continuous plates, which are laid on the beams and raids of the roof, fit. Based on the structure of structures, there are rolled, leaf, scaly, in the appearance of the screed and roof film.
The rafters are considered the supporting details of the pitched roofs, which ensure the maintenance of the base of the roof. Their device depends on the existing configuration of the roof and the location of the support. You can increase the overall stability of the rafters by binding the legs of the rafters with fractions horizontal. If large spans should be used in rafter forms, which are steel, wooden, mixed or reinforced concrete, wooden or reinforced concrete with elongated steel elements. At leisure it will not be superfluous to find out more about IKEA.
It is better to build personal residential buildings with simpler configurations of the pitched roofs, without protruding details and breaks. One of the parts when building a roof is a beam. It is whole or with some bars that fit under the rafters. Thickness of at least sixteen centimeters. The rafters implement the support of the crate and acquire a full load of the mass of the roof, the strength of the wind, snow through it. The inclined rafters used are very lean and constructively elementary. They are produced from boards, logs and plates.
Hanging rafters used on considerable spans are still popular, with the absence of intermediate supports. In the manufacture of such rafter shapes, beams, logs and boards are used, which are connected using bastards, bolts, rubbish, nails and other materials. It is necessary to take into account and install the structures of wooden rafters to take into account those conditions under which the wood is required to protect from rot and from the actions of pests of the tree and fire.