Types Of Wood Roof Trusses

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.

Types of wood roof trusses.

It is usually used for roof construction some common trusses are named in accordance with their web configuration. As the name implies this roof appears flat in structure although it is always pitched at a wider angle to allow water runoff. A standard rule of thumb is the cathedral roof pitch can be up to one half of the roof pitch. Studio two bearing points truss.

Steel rods are used as tension members. Common types of roof trusses parallel chord roof truss. Below are the common types of roof. The more complex the truss framework is the greater quantity of these joints will be required.

Scissor trusses give a nice cathedral ceiling to a room. These steel joints are needed to support the overall truss. This method allows for greater energy efficiency. Another very common roof type the hip truss is used to create a hip roof which has slopes on all four sides.

The king post truss is mainly adopted for short spans less than 6 m. Commonly used in cathedral ceilings the cost of this truss is higher because it requires. Raised heel roof truss. A variety of the trusses shown above fit into the common or gable truss category including the king.

The shapes and spans shown here represent only a fraction of the millions of designs produced by alpine engineers. It typically makes a room feel larger due to the openness overhead. It is usually built of wood completely or of wood combined with steel. Alpine truss designs are engineered to meet specific span configuration and load conditions.

The raised heel roof truss reduces. The cord size and web configuration are determined by span load and spacing. 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. There are two fundamental types of trusses i e.

The same thing is true for the bridge of the truss.