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