Roof Framing C Purlin

Welded together they can be used as columns braces and ties.

Roof framing c purlin.

They give added support to the roof and also provide a nailing surface for the end panels and drip edge. Also known as sheeting rails purlins create the roofing members of the secondary framing of a steel building. Engineered purlin metal mart offers a complete line of engineered purlin material. Stratco steel framing range.

The shape of cee purlins does not allow end lapping they are butted together. C section purlins or cee section purlins are designed to form the walls and floor joists of a building shell structure making them also ideal for supporting beams needed for mezzanine flooring. A traditional purlin strictly by definition is a horizontal structural member in a roof. They are installed on top of the roof rafters with a felt underlayment or vapor barrier installed on top.

As long the structure has a roof frame c purlins are present. Here are some examples of their application. These structural supports run perpendicular across the rafter beams. Purlins are an important component in a pre engineered steel structural kit.

Stratco roof battens and ceiling battens are light yet strong offering an economical alternative to timber battens. Purlins are installed horizontally under metal roofs. The purpose of purlins. Manufactured from hi tensile zinc alum steel stratco roof and.

What are c section purlins. In architecture structural engineering or building a purlin or historically purline purloyne purling perling is any longitudinal horizontal structural member in a roof except a type of framing with what is called a crown plate. It supports a wide range of floor cladding and is a strong long lasting lightweight alternative to timber framing. 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.

Purlins traditionally support the roof deck cladding sheeting and are in turn supported by the principal rafters steel beams etc. Purlins are 2 by 4 feet and are installed much like metal roofing.