Next you will want to apply roofing felt all across the sheathing.
How to install metal roofing home depot.
Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.
Always begin working at the point with the longest peak to eave distance.
The main difference with steel is the need to use special nails which have washers mounted on them to seal.
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The roof of the structure will need standard roof sheathing.
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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.
Add the metal panels.
Use the chalk line to snap a straight line vertically every 6 inches.
Often this will be 1 2 thick cdx plywood.
Repeat this on both sides of the roof.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
So far this is the same process as for installing asphalt roofing.
Take care the first piece is aligned precisely perpendicular square to the edge.
Install the roofing screws vertically along each rib in the panel.
Roofing building materials the home depot store finder.