To install corrugated roofing start by cutting your panels to length with an angle grinder.
Installing corrugated metal roofing.
Remove the old roofing.
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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 line.
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.
Install the roofing screws vertically along each rib in the panel.
5install metal panels or shingles.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
Insert about 20 nails into the humps of the ridges spread equally throughout the panel.
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Complete the first row.
Beginning at the outside edge of your roof place each panel directly onto the purlins that are attached to the roof trusses.
This means that your vertical lines are all running square to your eave.
Secure the sheets into place with screws.
Lay the roofing felt.
Over tightening and under tightening fasteners pre drilling screw holes using the right tools and chalk lines.
Next pre drill holes on the end and side ridges of the panels spacing the holes 6 to 8 inches apart.
It s important to start square because if the first panel is tilted a little bit all the panels that come after are going to be tilted as well.
Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed.
When you re installing a metal roofing panel the first thing that you want to do is make sure you re starting square.
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Buy the metal panels.
2 corrugated metal roof installation instructions.
Step 4 line up the second sheet overlapping the first by one ridge and install it in the same manner.
Lay and secure the first metal panel.
Metal roofing installation starts with fastening or screwing down the metal roof panels correctly.
Line up the first panel at the bottom corner of the roof near the lip and hammer it in place with 3 inch metal roofing nails.