Roof Purlin Material

Also known as sheeting rails purlins create the roofing members of the secondary framing of a steel building.

Roof purlin material.

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. The purpose of purlins. They both can be combined well to make sure that the space below the roof. The roof deck is the wood panel ply board or metal sheeting that creates the surface of the roof.

Several kinds of purlins exist. Purlins are an important component in a pre engineered steel structural kit. For heavier material such as gage steel the metal roof purlins spacing length could go up to 4 feet. The purpose of the purlins is to provide a solid foundation for the metal roofing panels and trim to be screwed to.

Do all roofing projects require purlins. It is suitable to use for roof sheeting from fiber cement. Engineered purlin metal mart offers a complete line of engineered purlin material. When made of wood it is usually covered with some sort of weatherproofing and sometimes an insulation material.

The typical spacing standards for residential and commercial buildings are about 1 to 2 foot. The purlins of a roof support the weight of the roof deck. All about purlin span for metal roof.