Installing Metal Roof Over Sheathing

Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are.

Installing metal roof over sheathing.

The asphalt in the felt paper is waterproof and does a great job of protecting the untreated wood roof sheathing. Moreover try to ensure that the screws are all aligned evenly. Space the screws about 12 in 30 cm apart. Repair any rotted sections of plywood before installing the metal panels.

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. Most metal roof companies recommend installing felt paper on roof sheathing before you install the metal roofing.

Sweep the plywood clean of all dirt and debris with a push broom. 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. Inspect the plywood for damaged areas.

For exposed fasteners avoid over tightening the fastener. 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. Most metal roof companies recommend installing felt paper on roof sheathing before you install the metal roofing.

Try to space the screws about 12 inches apart down the entire piece of metal. I d not install plastic on the sheathing because it s a vapor barrier. Remove all unused vents pipes and protrusions. The asphalt in the felt paper is waterproof and does a great job of protecting the.