Hanging rafters or how to choose the right system for the roof ?

Shed roofs and rafters for her

Rafters - a special system in the design of the whole structure, without which there can not be completed.Just as man can not exist without a skeleton, and a roof of any building is based on a system that provides stability and durability of the entire structure.

All of these properties must belong to the rafters, regardless of which of the roof itself is made.A selection of the rafters will depend on which material is to be used for roofing.

easiest type of installation - a lean-roof, which is mainly used for the construction of farm buildings - baths, loft, garage.Rafters like the roof is supported at its end portions on the opposite wall of the structure, if the area overlapped the surface is very large, you should use the rack and podstropilnye feet.

Gable roof and demands to the rafters

Types gable roof trusses are hanging or naslonnymi.Both types are used for the construction of small houses and are hip system.Called hip roof slopes from the end, which are issued in the form of a triangle designs and are located on the ridge of the up to the eaves.

hip rafters include 2 types, which differ in the way of installation.One of these types is characterized by the fact that during its devices have difficulties in manufacturing and difficulties in subsequent repairs.We are talking about the fact that the builders called hanging rafters, mounted on the outside wall openings, as there is no similar systems inside.

Complex systems

Another roof system, which is considered to be more convenient in terms of design is much more economical, installed in the buildings where the average load-bearing wall or a construction in the form of pillars.This additional support provides the ability to extend the span using a system such as naslonnye rafters.

The same type of hipped roofs can be attributed hipped roof, which differ in the absence of gables and a wonderful view.Also popular in the recent construction of a broken system, which consists of only two short beams, with a reception at the break.

New houses always give a certain shrinkage, also minced gable roofs can change the angle.To prevent bridging the roof, it is recommended to mount the rafters with sliding hinged.This type is used in the buildings under construction, in which the main construction material is timber or logs, which always give a good shrink.

mounted on this type of ridge beam, and the connection is made by means of screws, nails and plates, and a strong steel butt or overlap.Sometimes, when they were suspended ceiling of the attic, in this case, hanging rafters with tightening will make it impossible to sagging of the assembly.

choice of material for the rafters device depends on the material from which the roof will be made.If the roof will lie ceramics - rafters should be larger cross-section, and soft tile may be cheaper, but it requires the installation of additional devices.But in all cases naslonnye and hanging rafters will be the base on which the whole system rests.