Installing Metal Roof Over Sheathing

In this video i cover measuring the roof figuring the metal th.

Installing metal roof over 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. This is part 1 of a 6 part video series explaining how i installed a metal roof on my house. The asphalt in the felt paper is waterproof and does a great job of protecting the. The asphalt in the felt paper is waterproof and does a great job of protecting the untreated wood roof sheathing.

And for any exposed fasteners try to avoid over tightening them. Place the first screw. Install the roofing screws vertically along each rib in the panel. Sweep the plywood clean of all dirt and debris with a push broom.

Moreover try to ensure that the screws are all aligned evenly. Remove all unused vents pipes and protrusions. How to apply metal roofing over plywood step 1. Use your neoprene washer head screws to secure the metal to the sheathing.

I d not install plastic on the sheathing because it s a vapor barrier. For exposed fasteners avoid over tightening the fastener. Inspect the plywood for damaged areas. You will use metal roofing screws to secure the metal panels to the sheathing.

Space the screws about 12 in 30 cm apart. Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Most metal roof companies recommend installing felt paper on roof sheathing before you install the metal roofing.