Purlin Steel Roof

They expand and contract reasonably in extreme temperature changes.

Purlin steel roof.

Steel purlin is a direct replacement for wood purlin. Purlins are 2 by 4 feet and are installed much like metal roofing. It is a horizontal bar that used to support building at the roof structurally. Purlin is a well known material in the field of architecture structural building or structural engineering.

4 x 2 30 14ga primed c purlin 1 2. It all started with a great idea and a little hard work. They are light weight dimensionally stable accurate and straight. The type and spacing of purlins is a design consideration which depends upon the incident roof loads as well as the limiting lengths of sheeting to be used.

Purlins are non pressure treated 1 x 4 x 12 lumber that is installed on to the roof in a specific layout pattern and screw pattern. Steel purlin is usually made of cold formed steel that is thin enough to put screws through. 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 purpose of the purlins is to provide a solid foundation for the metal roofing panels and trim to be screwed to.

Do all roofing projects require purlins. The purpose of purlins. Engineered purlin metal mart offers a complete line of engineered purlin material. We are located in beautiful emory texas.

Today we re proud to provide quality products direct to your doorstep through an experience you ll enjoy. 6 x 2 30 14ga primed c purlin 4 x 2 30 purlin our price. 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. There is an available purlin for every type of roofing material including purlin span for metal roof which is the most common material type to use this item.

In structural steel or aluminum construction purlins usually w shapes or channels transfer roof loads to the major structural elements supporting the roof. 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. 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.

Also known as sheeting rails purlins create the roofing members of the secondary framing of a steel building. The shape of cee purlins does not allow end lapping they are butted together. Metal roof purlins are installed horizontally under metal roofs. These structural supports run perpendicular across the rafter beams.