How To Install Galvanized Steel Corrugated Roof Panel

Beginning at the outside edge of your roof place each panel directly onto the purlins that are attached to the roof trusses.

How to install galvanized steel corrugated roof panel.

Next pre drill holes on the end and side ridges of the panels spacing the holes 6 to 8 inches apart. Install the roofing screws vertically along each rib in the panel. Install the first galvanized roof panel at one bottom corner. To install corrugated roofing start by cutting your panels to length with an angle grinder.

Secure the screws but do not overtighten. This will keep the wall straight as you place additional panels. Install a corrugated panels on gable roofs usually begins on one side of the roof working in the opposite direction of the prevailing wind. On hip roofs this crew prefers to begin at the center and work outward.

Start at the end of one wall and use square up. By installing the first panel square the rest will follow suit. Metal panels are made to overlap a few inches in the grooves. Side laps should still face away from the wind.

Place the first screw at the outside bottom edge add screws at the other edge and the top of the panel to secure it and finish fastening it with screws about 24 inches apart. The washer under the screw head should seal to the surface of the panel without bulging or shifting.