Roof Framing C Purlin

Cee purlins are secondary steel framing members most commonly used as roof purlins wall girts and header jamb and sill for windows and doors on metal buildings.

Roof framing c purlin.

Purlins traditionally support the roof deck cladding sheeting and are in turn supported by the principal rafters steel beams etc. Stratco steel framing range. Also known as sheeting rails purlins create the roofing members of the secondary framing of a steel building. They are installed on top of the roof rafters with a felt underlayment or vapor barrier installed on top.

Purlins are 2 by 4 feet and are installed much like metal roofing. Stratco roof battens and ceiling battens are light yet strong offering an economical alternative to timber battens. Engineered purlin metal mart offers a complete line of engineered purlin material. They give added support to the roof and also provide a nailing surface for the end panels and drip edge.

Purlins are installed horizontally under metal roofs. Welded together they can be used as columns braces and ties. Manufactured from hi tensile zinc alum steel stratco roof and. Here are some examples of their application.

The purpose of purlins. A traditional purlin strictly by definition is a horizontal structural member in a roof. These structural supports run perpendicular across the rafter beams. 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.

As long the structure has a roof frame c purlins are present. Purlins are an important component in a pre engineered steel structural kit. What are c section purlins. The shape of cee purlins does not allow end lapping they are butted together.

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 usage of c purlins can range from different type of structures residential commercial or agricultural.