C Purlins Roof Framing

Hat channels can also be used as a purlin where a lower profile is required or where the cover system requires closer purlin spacing thus making standard z or c purlins overly expensive.

C purlins roof framing.

The steel purlins are in turn supported by rafters or walls. Purlins are installed horizontally under metal roofs. After rolling the scaffolding around so much it was obvious that this would help. 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.

Why are c purlins so popular. The shape of cee purlins does not allow end lapping they are butted together. This took time to pull and al. Welded together they can be used as columns braces and ties.

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. In some instances either 6 or 8 c purlins back to back can be used as rafters. They are installed on top of the roof rafters with a felt underlayment or vapor barrier installed on top. They give added support to the roof and also provide a nailing surface for the end panels and drip edge.

They just vary from the type of material wood or steel thickness and length. These purlins are extensively used in larger roofing platforms factory workshops and many industrial sheds. Galvanized cee purlins in steel construction the term purlin typically refers to roof framing members that span parallel to the building eave and support the roof decking or sheeting. Metal c purlins are light in weight and perfect for simple span construction.

This is known as a lightweight steel system. As long the structure has a roof frame c purlins are present. What can c purlins be used for. As well as these use cases our c purlins can also be used for door framing roof trimming window trimming parapet rails and side rails.

Purlins are 2 by 4 feet and are installed much like metal roofing.