Installing Metal Roof Over Sheathing

Place the first screw.

Installing metal roof over sheathing.

Be sure the larger edge is laid so that the small edge of the next panel will overlap it. In this video i cover measuring the roof figuring the metal th. For exposed fasteners avoid over tightening the fastener. Repair any rotted sections of plywood before installing the metal panels.

This is part 1 of a 6 part video series explaining how i installed a metal roof on my house. Most metal roof companies recommend installing felt paper on roof sheathing before you install the metal roofing. How to apply metal roofing over plywood step 1. You will use metal roofing screws to secure the metal panels to the sheathing.

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. The asphalt in the felt paper is waterproof and does a great job of protecting the. Space the screws about 12 in 30 cm apart. Try to space the screws about 12 inches apart down the entire piece of metal.

Most metal roof companies recommend installing felt paper on roof sheathing before you install the metal roofing. Moreover try to ensure that the screws are all aligned evenly. I d not install plastic on the sheathing because it s a vapor barrier. And for any exposed fasteners try to avoid over tightening them.

The asphalt in the felt paper is waterproof and does a great job of protecting the untreated wood roof sheathing. Sweep the plywood clean of all dirt and debris with a push broom. Remove all unused vents pipes and protrusions. Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are.