C Purlins Roof Framing

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

C purlins roof framing.

Why are c purlins so popular. This took time to pull and al. In this episode we have added a scissor lift. They give added support to the roof and also provide a nailing surface for the end panels and drip edge.

Welded together they can be used as columns braces and ties. After rolling the scaffolding around so much it was obvious that this would help. What can c purlins be used for. 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. The steel purlins are in turn supported by rafters or walls. Metal c purlins are light in weight and perfect for simple span construction. This is known as a lightweight steel system.

These purlins are extensively used in larger roofing platforms factory workshops and many industrial sheds. Purlins are installed horizontally under metal roofs. 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 well as these use cases our c purlins can also be used for door framing roof trimming window trimming parapet rails and side rails.

As long the structure has a roof frame c purlins are present. The shape of cee purlins does not allow end lapping they are butted together. 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.

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.