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BW Industries is committed to latest technology, with a high degree of experience in all aspects of roll forming and steel fabrication like plasma cutting and laser cutting.
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Everything You Need to Know About Purlins

Jun 1st 2015 at 2:27 AM

The time you plan to design a house or consider revamping or renovating an existing one, roofing systems are actually a priority because any good roofing system can give stability to structure and foundation besides protection against cold, heat, snow and rains. When the roofing system are not properly created or maintained, a lot of issues might pop up that includes growth of the moths, leakage, moist walls etc. and the moisture entering your house, may cause health problems when there is scorching heat and very cold also. The quality roof which is made from the quality material and fixed properly last for long without creating leakage trouble or any other.


Purlins are among the major parts of the roof. Roof purlins are supported either by rafters or building walls; Purlins are actually horizontal beams that are used for the structural support in a number of buildings. Traditional timber framing includes the three basic purlin types such as common purlin, purlin plate and principal purlin. The roof deck is laid over the purlins directly. Well, the material used for roof deck includes wood panel, metal sections sheeting, ply board etc. The purlins which support deck are basically of different types and are available in different materials also. Different types of Purlins are:


C Purlins : Well, the shape of these types of purlins is like Alphabet c and it is square shape that is why they are called as C purlins. The C Purlins are used as Purlins over the walls, the rafter, floor joists and studs for the walls.


Z purlins : Just like C purlins, the Z purlins resemble the alphabet Z and are also called as Zed Purlins. This shape helps Purlins to overlap joint and prove to be stronger and studier than the C purlins. Thus, they are used for the large scale roofing constructions and projects, other than being used as the wall studs.


RHS purlins : For the roofs where support structure is visible once the construction is over then the RHS Purlins are used mostly. These Purlins are basically hollow caps placed on the walls and ends of purlins and are properly welded so that you don’t find steel bar corrosion or damage or seepage. RHS purlins are not sturdy as well as aesthetics.


Purlins are available in variety of materials. It depends on your budget and requirement of different types of the materials being used. The most traditional as well as time tested material for the purlin is not different from the wood with the solid weatherproofing as well as insulation for the strength and durability. The other items which have become so popular over the years because of the benefits they offer and cost friendliness is the metal purlins and steel purlin roof. Galvanized purlins are available in the market. The cold formed steel and the hot rolled steel are two major kinds of processes which is used to create required shapes from the steel sheets and cold formed ones are famous because they can be utilized easily and have reasonable price also. Thus, analyze your requirement and buy now online!

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