Moreover try to ensure that the screws are all aligned evenly.
How to do a metal roof installation.
If you must climb onto the roof to measure the space be.
Try to space the screws about 12 inches apart down the entire piece of metal.
Measure the length width and rise of one section your roof.
And for any exposed fasteners try to avoid over tightening them.
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.
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This is part 1 of a 6 part video series explaining how i installed a metal roof on my house.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
You will use metal roofing screws to secure the metal panels to the sheathing.
Always try to measure from the ground first in order to keep yourself safe.