Made in ten foot increments sub parlins are made by a computer controlled punch press and can be made to clear the profile of any existing roof panel.
Roof sub purlins.
Bw industries manufacture a range of roof purlins that can be supplied as sleeved butted lapped or heavy end bay systems.
They are made from 16 ga 0 060 min 50 ksi structural grade g 90 galvanized steel and specifically notched to fit over the ribs of the existing metal roof panels.
They give added support to the roof and also provide a nailing surface for the end panels and drip edge.
Steel purlins may be painted or greased for protection from the environment.
Roof hugger provides the industry s most effective way of doing this with roof hugger sub purlin systems.
Purlins also appear in steel frame construction.
Purlins are 2 by 4 feet and are installed much like metal roofing.
They are installed on top of the roof rafters with a felt underlayment or vapor barrier installed on top.
The roof hugger systems can fit any existing metal panel support any new roof panel and be configured to add insulation and solar energy equipment between the old and new roofs.
Sub purlins also called roof huggers are manufactured to connect existing roofing to new roofing.
A purlin or historically purline purloyne purling perling is a longitudinal horizontal structural member in a roof.
If this is the first time you have heard of bw industries or you are a returning user then we would advise you that we are a competitive alternative for steel components particularly for our range of purlins and ancillary components.
In traditional timber framing there are three basic types of purlin.
Roof hugger retrofit sub purlins are zee shaped structural members that are typically 10 to 12 feet in length.
This factory notching provides a correct structure to structure.
Purlins are 2 by 4 feet and are installed much like metal roofing.
They give added support to the roof and also provide a nailing surface for the end panels and drip edge.
Dale nelson and mark james of roof hugger participate in the metal construction association demo portion of the metalcon international 2009 conference and ex.
They are installed on top of the roof rafters with a felt underlayment or vapor barrier installed on top.
How to buy our products.
Purlins are installed horizontally under metal roofs.