Types Of Wood Roof Trusses

The cord size and web configuration are determined by span load and spacing.

Types of wood roof trusses.

Studio two bearing points truss. As the name implies this roof appears flat in structure although it is always pitched at a wider angle to allow water runoff. It is usually built of wood completely or of wood combined with steel. The more complex the truss framework is the greater quantity of these joints will be required.

Finally the truss calculator will compute the best dimensional method to connect the pieces of the truss with steel joints and a bridge. Commonly used in cathedral ceilings the cost of this truss is higher because it requires. Alpine truss designs are engineered to meet specific span configuration and load conditions. Raised heel roof truss.

There are two fundamental types of trusses i e. Most common types of roof trusses gable trusses. Common types of roof trusses parallel chord roof truss. The shapes and spans shown here represent only a fraction of the millions of designs produced by alpine engineers.

It is usually used for roof construction some common trusses are named in accordance with their web configuration. Below are the common types of roof. A variety of the trusses shown above fit into the common or gable truss category including the king. The same thing is true for the bridge of the truss.

These steel joints are needed to support the overall truss. Steel rods are used as tension members. This method allows for greater energy efficiency. This particular truss is made out of wood most of the time but it can also be built out of a combination of steel and wood.

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. Pitched truss or common truss characterised by its triangular shape.