Beginning at the outside edge of your roof place each panel directly onto the purlins that are attached to the roof trusses.
Galvanized steel corrugated roof panel how to install.
To install corrugated roofing start by cutting your panels to length with an angle grinder.
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.
This will keep the wall straight as you place additional panels.
Fasten it with galvanized screws with plastic washer caps by using a screw gun.
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.
By installing the first panel square the rest will follow suit.
The sheets should overlap by at least four inches add a bead of caulk where they overlap and at the other end of the building ensure there s an overhang of two inches.
When installing metal panels it is vital to get your first panel squared.
Once the first sheet is in place you need to install the remainder of the lowest row of corrugated metal roofing.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
Next pre drill holes on the end and side ridges of the panels spacing the holes 6 to 8 inches apart.
Start at the end of one wall and use square up.
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Secure the sheets into place with screws.
Metal panels are made to overlap a few inches in the grooves.