Purlin Rafter Roof Construction

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.

Purlin rafter roof construction.

The purlins are in turn supported by rafters or walls. Purlins are supported either by rafters or the walls of the building. A common arrangement is a rafter and purlin system which combines purlins and rafters. Metal building purlin spacing metal roofs are often referred as tin roofs in the past because of the use of tin such as aluminum or stainless steel sheets as the materials.

Purlin roof structure civil engineering design in architecture or structural engineering or building a purlin or purline is a horizontal structural member in a roof. Roofs and not for traditional purlin and rafter roof construction. In architecture structural engineering or building a purlin or historically purline purloyne purling perling is a horizontal beam or bar used for structural support in buildings most commonly in a roof. Building control guidance note purlin and rafter roofs timber sizes and construction details author.

Compared to conventional roofing system it might be a bit pricier in terms of installation but also has longer durability to provide better value for the future.