Parts Of A Roof Truss

Structural support of trusses usually walls normally with a timber wall plate.

Parts of a roof truss.

Here are a roof truss basic parts and terms. A roof also beautify a house but the primary purpose of a roof is to protect against any form of weather. The bottom chord which is the bottom of the framed truss. Hip this is an external angle formed by the intersection of two sloping roof planes.

Finally there are the gussets that hold the framed truss together. It s telling you the roof is raised four inches for each horizontal 12 inch run. Components of roof truss. The rafters when combined together help to form the truss.

For instance say your roof is 5 in 12. Rafters these are wooden beams that run from the top of the roof to the bottom. A roof is the uppermost parts of any building which give protection against animals and most especially weather be it rain snow sunlight heat wind and so on. This is the roof s steepness measurement.

The highest point on a truss where the sloping top chords meet. Truss the truss is a framework comprised of wooden beams that helps to support the roof. Roof trusses can be said to be the skeleton of the roof as you known the skeleton produce the shape of animals even humans. In structural engineering the name truss describes a triangular design a joint framed structure that sustained the inclined vertical or horizontal loads a truss consist of angles channels plates and eye bars.

The primary segment of the roof truss that runs along the underside and supports its decking. A roof truss is a structural unit designed to frame a roof and to support the roof material interior ceiling insulation and forces caused by snow rain and wind. It is a waterproofing layer made of regular felt stacked above the solid. The wall plate width see figure 7.

There are three parts to the roof truss that you have to know. Then there is the top chord or rafters that are angled to make the roof pitch. It is a framework typically consisting of rafters posts and struts supporting a roof bridge or other structure you will find them supporting the roofs of auditoriums. Horizontal beams supported by posts and used to support the mid span of rafters to cover longer spans these are used in large buildings like the traditional large old barns in the us.

A horizontal timber or metal resting at the peak of the roof the rafters and trusses are connected to the ridge board for a cohesive framework. A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load. A slight vertical cut usually less than 75mm at the. Bearing cut or seat cut.

Roof truss parts explained. A horizontal cut to the bottom of a sloping bottom chord usually the width of the bearing i e.