Roof Truss Wood Types

Roof trusses come in many types but the four variants below comprise the lion s share of constructed ceilings.

Roof truss wood types.

Commonly used in cathedral ceilings the cost of this truss is higher because it requires the use of steel members to serve as bracing. The bottom flange is used as the floor joist and the support braces form the walls of the room. Alpine truss designs are engineered to meet specific span configuration and load conditions. Here is a list of common names and pictures of the standard truss types styles.

When a roof is to be provided for a building which does not have interior supports and the exterior walls are more than 12 m apart a roof truss will be a convenient arrangement to support the roof. When roof trusses are made of two materials such as wood and steel it is called a composite roof truss. Most common types of roof trusses. Parallel chord roof truss.

Roof trusses can be said to be the skeleton of the roof as you known the skeleton produce the shape of animals even humans. The shapes and spans shown here represent only a fraction of the millions of designs produced by alpine engineers. 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. A roof truss consists essentially of the following components.

Total load psf duration factor live load psf roof type 55 1 15 40 snow shingle 55 1 15 30 snow tile 47 30 snow 40 20 snow 1 25 20. A roof also beautify a house but the primary purpose of a roof is to protect against any form of weather. I upper chord members. Truss types trusses come in all shapes and sizes.

Studio two bearing points truss. This is more appropriate when there is a need to have a roof in the roof between the posts of two queens. This type of roof is similar to the mansard truss but its top is flat with a slight slope to one side. A variety of the trusses shown above fit into the common or gable truss category including the king post queen post howe and.

Components of a steel roof truss.