How To Attach Steel Roof Panels

Install the roofing screws vertically along each rib in the panel.

How to attach steel roof panels. For exposed fasteners avoid over tightening the fastener. Fit the corrugated roofing panels over the closure strips and screw them in place. It is best to attach the closure strips to the roof with galvanized screws unless the manufacturer advises against this. Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are.

Match the speed of the drill to the substrate or screw type use a 2 500 rpm screw gun for wood and steel substrates that are less than 1 4 inch thick use a 2 000 rpm screw gun for steel substrates that are 1 4 inch thick and heavier use a 1 000 rpm to 2 000 rpm screw gun for 304 stainless steel screws. Screw down the panels using the pre drilled holes then continue across the roof until it is completely covered. Space the screws about 12 in 30 cm apart. Panels can be installed directly to studs or on top of an existing sub surface such as plywood or drywall.

Install metal panels with ease. Install offset cleat install the offset cleat along the eave and then you are ready to install the metal. Beginning at the outside edge of your roof place each panel directly onto the purlins that are attached to the roof trusses. Be sure the larger edge is laid so that the small edge of the next panel will overlap it.

Place the first screw. Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof. Use your neoprene washer head screws to secure the metal to the sheathing. Next pre drill holes on the end and side ridges of the panels spacing the holes 6 to 8 inches apart.

In most cases this is adequate to secure the strips since the downward pressure from the metal will push down on the closure strips. Attach the roofing felt with roofing staples. To learn more from our contractor co author like how to choose between corrugated pvc or metal roofing keep reading the article. If you are installing over an existing surface mark the studs with a pencil before installing panels.

Hidden fastener installation step 1. Whether installing metal panels on walls ceilings or as a roof the process is the same.