Corrugated metal roofing generally comes in sheets that are 3x6 feet in size 18 square feet.
Corrugated metal roofing installation.
Lay and secure the first metal panel.
Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm.
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Before you start to install corrugated metal roofing you need to figure out how much you need.
You also need to add.
Take care the first piece is aligned precisely perpendicular square to the edge.
Always begin working at the point with the longest peak to eave distance.
Finish the first side of the roof.
Beginning at the outside edge of your roof place each panel directly onto the purlins that are attached to the roof trusses.
1 tools required for installing corrugated metal roofing.
Next pre drill holes on the end and side ridges of the panels spacing the holes 6 to 8 inches apart.
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Complete the first row.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
Install the roofing screws vertically along each rib in the panel.
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.
Lay the roofing felt.
2 corrugated metal roof installation instructions.
Buy the metal panels.
When installing a metal roof over an existing roof insulate the spaces between the wood strips with rigid insulation to prevent condensation before installing the roofing.
Multiply those numbers and then double the result for the square footage of your roof.