Which Of These Terms Are Parts Of A Roof Truss

Select the labelled areas for a description of the different parts of the roof truss.

Which of these terms are parts of a roof truss.

Bearing cut or seat cut. Different parts of the truss are known by a variety of terms. Learn about the 30 different types of roof trusses with these series of 30 truss diagrams that clearly shows all the parts and different styles of trusses you can use for different types of roofs. The following diagram shows the terms applying to gable end roofs.

North light roof truss. North light truss is the oldest and most economical kind of truss. Truss the truss is a framework comprised of wooden beams that helps to support the roof. The rafters when combined together help to form the truss.

Shear horizontal the force in a member which tends to cause the top half to slide horizontally in the opposite direction from the bottom half usually near the support. Structural support of trusses usually walls normally with a timber wall plate. The highest point on a truss where the sloping top chords meet. Just as there are many types of roofs with many roof parts there are many different types of roof trusses.

Hip this is an external angle formed by the intersection of two sloping roof planes. Rafters have a tendency to flatten under gravity thrusting outwards on the walls. Terms for roof truss members. A slight vertical cut usually less than 75mm at the.

Secondary bending the bending stress in a member caused by the deflection of the whole truss. One of a series of diagonal members of the truss that meet at the apex in order to support the roof deck and its loads. These are found in industrial buildings drawing rooms and large spaces with a span of 20 30 meters. Scupper an opening in a roof usually faced with metal flashing to drain water from the roof at a given point.

A horizontal cut to the bottom of a sloping bottom chord usually the width of the bearing i e. The following diagram shows the terms used for general roof truss members. The wall plate width see figure 7. Rafters these are wooden beams that run from the top of the roof to the bottom.

Roof truss parts explained.