If you want to install steel over asphalt your best choice for installing metal roofing is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel.
How to install metal roof new construction.
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Space the screws about 12 in 30 cm apart.
For exposed fasteners avoid over tightening the fastener.
Install the roofing screws vertically along each rib in the panel.
You ll want to order metal panels that are an appropriate color and look to complement your.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
In a standing seam roof long single panels run vertically all the way from the eave to the ridge.
You will need to order enough metal material to cover the entire roof and this process.
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.
Measure the roof area.