Roof Purlin Material

Several kinds of purlins exist.

Roof purlin material.

It is suitable to use for roof sheeting from fiber cement. Purlins are non pressure treated 1 x 4 x 12 lumber that is installed on to the roof in a specific layout pattern and screw pattern. All about purlin span for metal roof. Available in cee or zee shape red oxide primed or galvanized 16 14 or 12 gauge sizes from 4 up to 12 flange widths of 1 1 2 up to 4 cut to your specified lengths hole punching available load tables available for all material.

These structural supports run perpendicular across the rafter beams. Engineered purlin metal mart offers a complete line of engineered purlin material. Do all roofing projects require purlins. The purpose of purlins.

The purlins of a roof support the weight of the roof deck. The roof deck is the wood panel ply board or metal sheeting that creates the surface of the roof. Purlins are an important component in a pre engineered steel structural kit. The typical spacing standards for residential and commercial buildings are about 1 to 2 foot.

Also known as sheeting rails purlins create the roofing members of the secondary framing of a steel building. They both can be combined well to make sure that the space below the roof. When made of wood it is usually covered with some sort of weatherproofing and sometimes an insulation material.