Types Of Roof Truss Systems

Common types of roof trusses parallel chord roof truss.

Types of roof truss systems.

Parallel chord roof truss. Understanding the anatomy of a roof and roofing terms is helpful. Principal rafter or top chord. A common truss is recognizable by its triangular shape and is most often used in roof construction.

Here are the most common terms. King post truss. A pvc roofing system such as the one from ib roof available in either 50 mil 60 mil or 80 mil thickness would be an ideal type of a roofing membrane for such a roof. 30 different types of roof trusses illustrated configurations 1.

The system includes all the components and flashing details. It is most often used for roof construction. Steel rods are used as tension members. As the name implies this roof appears flat in structure although it is always pitched at a wider angle to allow water runoff.

The following are various components of a roof truss. 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. The raised heel roof truss reduces. A smaller roofed structure usually with a window that projects out of the roof line.

Formed metal strips installed in valleys and anywhere the roof abuts. The pitched or common truss is characterized by its triangular shape. Commonly used in cathedral ceilings the cost of this truss is higher because it requires. Some common trusses are named according to their web configuration such as the king post fan fink or howe truss.

The overhang of the roof. The king post truss is mainly adopted for short spans less than 6 m. North light roof truss. Studio two bearing points truss.

The flat sheets of plywood or lumber that the roof is attached to. Two basic types of trusses. The roof will not be entirely flat as you will need to plan for rain water drainage via water drains placed strategically within the roof surface. This method allows for greater energy efficiency.

Bottom chord or main tie.