MccurdyRohr813
出典: くみこみックス
Simple Introduction About Roof Trusses
Roof trusses refer to the frames comprised of timber that's nailed, bolted or pegged together to create structurally independent shapes of great strength. The truss is used to deal with the load of the roof timbers and coverings, and also the occasional wind load and snow load. These trusses come in all sizes and shapes to adapt the various designs of the rooftop. Trusses are utilized to preventing the walls from bending or flexing, and more important for buildings and homes with several stories.
These trusses mainly have three properties, the effectiveness of timbers, the distribution of the load, and the connection from the parts. The trusses have been treated specially to avoid the insect, so the modern trusses usually weight slightly. The design of roof trusses is important, and the structure from the trusses can elaborately assign the burden to avoid gathering the whole load in some small area. Any method, for example bolt, plates, nails, screws and even nails can be used to connected the parts, but ensure the structure is stable.
Some problems ought to be paid more attention to prevent the adversity happen. The penetrating damp is the most critical problem, and older buildings tend to be more susceptible. Some preservatives including Boron are of help to solve this issue. The rot and insect attacking is also a serious problem, which mainly appear in the older properties, the Boron based preservatives will also be useful. In addition, joint areas tend to destroy easily, and rein repair can solve this problem.
