Flat Roof Truss Section

Examples of live loads are snow wind rain and temporary construction loads.

Flat roof truss section. They re simple in form and function and are a good example of the modernist principle of clean lines. The modern flat roof. Hip roofs are more stable than gable roofs and more resistant to strong winds and hurricane. Some roofs actually slope in several directions ensuring optimal water runoff.

This difference is greater for long spans and or heavy loads. Roof trusses are engineered wood alternatives to hand framed rafters. This type of truss is commonly used to construct roofs in houses. The flat roof is economical to construct because ceiling joists are elimi nated and rafters are used to support both the roof and ceiling loads.

When framing a flat roof you will need to create a slight incline. Economical spans are usually limited by the available sizes and lengths of solid sawed or glued laminated timber and by the potential capacity of the web member connections. Flat roofs are always built at a slight incline at least 1 8 inch per foot. This will help you create a flat roof framing plan.

Often the flat roof has a slight pitch in the rafters. Pitched and flat roof trusses pitched and flat roof trusses with average loading and spacing of 15 to 20 ft are infrequently used for spans in excess of 80 ft. And their horizontal lines abound in the west and in urban areas. Figure 20 8 shows the materials commonly used to frame a flat roof.

Live loads are not always present. Is a family owned and operated designer and manufacturer of wooden roof trusses in north central idaho. Traditional homes often have sections of flat roof over shed dormers above porches and garages and on balconies. For the same steel weight it is possible to get better performance in terms of resistance and stiffness with a truss than an i beam.

Widely known for producing a quality product for over 20 years barlow truss provide any type of wooden roof truss you need. You can do this with a foam layer that exactly fits your roof. They support live and dead loads by efficiently transferring the loads to the building walls or supports. Figure 20 9 shows how a flat roof could be repre sented on the roof plan.

Aspects of truss design for roofs truss or i beam.