Installing Metal Roof Over Sheathing

Moreover try to ensure that the screws are all aligned evenly.

Installing metal roof over sheathing.

Repair any rotted sections of plywood before installing the metal panels. 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. Space the screws about 12 in 30 cm apart. For exposed fasteners avoid over tightening the fastener.

The asphalt in the felt paper is waterproof and does a great job of protecting the. How to apply metal roofing over plywood step 1. Try to space the screws about 12 inches apart down the entire piece of metal. This is part 1 of a 6 part video series explaining how i installed a metal roof on my house.

Place the first screw. Most metal roof companies recommend installing felt paper on roof sheathing before you install the metal roofing. In this video i cover measuring the roof figuring the metal th. You will use metal roofing screws to secure the metal panels to the sheathing.

Use your neoprene washer head screws to secure the metal to the sheathing. Install the roofing screws vertically along each rib in the panel. The asphalt in the felt paper is waterproof and does a great job of protecting the untreated wood roof sheathing. Most metal roof companies recommend installing felt paper on roof sheathing before you install the metal roofing.

And for any exposed fasteners try to avoid over tightening them. Remove all unused vents pipes and protrusions. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. I d not install plastic on the sheathing because it s a vapor barrier.