Residential Roof Truss Design
Roof trusses are an established structural design used to support buildings over a wide area of space. Trusses are made of wood, metal, concrete or a combination of these materials and have several main components such as joint angle, pole pieces, clevis rings and tiebacks. Often, timber roof trusses were used for hundreds of years to support roof and floor systems on commercial buildings. However, with changing building and construction techniques, truss designs have become increasingly less attractive to most building contractors due to the increased use of aluminum and steel. For residential and light commercial structures, low-priced economical trusses can be selected using standard tongue-and-groove joinery method to avoid expensive framing materials. Low-priced roof trusses with standard tongue-and-groove joinery system usually include four clevis rings with two on each end and one crossbrace. Common types of timber trusses used in residential and light commercial structur...