Metal Roofing Support Spacing

Unless you live where there is a potential for a heavy snow load i believe your 2 x.

Metal roofing support spacing.

If the sheet metal roofing is corrugated a 16 center is good. A little overlap is okay and will prevent le3aks. The support system for the roof is comprised of ridgepole and rafters or purlins. Rafter spacing is based on the width of the metal roofing panels.

Be careful not to tear the sheet. Screwing or fastening down a metal roof is one of the easiest parts of a metal roofing installation. 4142 hwy 302 belfair wa 98528 telephone 360 275 6164 customer support 410 534 6900 email. If you want to know how to support roof purlins they are usually supported by 2 4 or 2 6 struts or posts.

The metal roofing alliance was formed in 1998 by a small group of forward thinking metal roofing manufacturers with the main goal of educating consumers about the many benefits of metal roofing. Common metal roof deck rib profiles. Don t look at me. Most recommendations call for a minimum gauge of 22 and a g90 galvanized coating.

Wider panels allow for greater spacing between rafters. Metal to metal screws sealing tape and you need to know the spacing of the screws. The typical spacing standards for residential and commercial buildings are about 1 to 2 foot. Roofing panels are being installed over a solid wood substrate then you do not need to worry about the distance between supports.

Corrugated roofing maximum support spacing data. Jump to latest follow 1 7 of 7 posts. For 2x4s purlins the posts are spaced in 4 feet distance. For heavier material such as gage steel the metal roof purlins spacing length could go up to 4 feet.

A metal roof must also allow for some overlap on each side of the panels which will reduce the effective width of the panel. Rain fall capacities data. Metal deck material may be fastened to the support structure by welding where a metal structure is used or by mechanical fasteners. So you have rafters running vertically at some spacing then purlins running horizontally at some spacing on top of the rafters and the metal panels screw in to the purlins.

With pliers multi grips or a shifting spanner closed down to approximately 2mm grip the valley corrugations 20mm in from the end of the sheet and turn up as far as possible. Metal roofing alliance e. Rafter spacing for metal roof.