Roof Purlin Material

Product description our z purlins are the secondary structural members used to support the roof sheeting wall cladding.

Roof purlin material.

Esides being economical to use they give an excellent strength to weight ratio thus providing substantial cost savings. Contact your local stramit office to discuss other coatings grades and materials options. When made of wood it is usually covered with some sort of weatherproofing and sometimes an insulation material. A purlin or historically purline purloyne purling perling is a longitudinal horizontal structural member in a roof.

Heavy end bay purlin system for buildings with 5 bays or more and rafter spacings up to 15m heavier gauge purlins are fitted in the end bays with lighter purlins fitted on internal bays. Penultimate rafter joints are fully sleeved in the same gauge material as the end bay purlins and are longer than the standard sleeve. Steel purlins may be painted or greased for protection from the environment. The purpose of purlins.

Purlin plate principal purlin and common purlin. Several kinds of purlins exist. In traditional timber framing there are three basic types of purlin. Stramit c z purlins and girts are manufactured from hi tensile galvaspan steel with a minimum z350 galvanised coating 350g m 2 or zam coated steel conforming to as1397.

But a purlin is applied directly onto the roof rafters running perpendicular between them while a batten is nailed to roof sheathing or applied over an existing roof for installation of a new roof. The roof deck is the wood panel ply board or metal sheeting that creates the surface of the roof. Purlins are an important component in a pre engineered steel structural kit. 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.

It is a horizontal bar that used to support building at the roof structurally. Our z purlins are characterized by. Purlin is a well known material in the field of architecture structural building or structural engineering. Lindab s purlins are made of steel and offer an excellent choice.

The purlins of a roof support the weight of the roof deck. China construction material galvanized steel c purlin find details about china roof purlin c purlin from construction material galvanized steel c purlin hangzhou super import and export co ltd. Having a high strength to weight ratio. Purlins are usually supported by rafter building walls or the weight of the roof deck itself.

Also known as sheeting rails purlins create the roofing members of the secondary framing of a steel building. Slotted purlins can reduce heating costs considerably assembly and mounting is easy.