Installing Metal Roof Over Sheathing

Install the roofing screws vertically along each rib in the panel.

Installing metal roof over sheathing.

Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Inspect the plywood for damaged areas. Sweep the plywood clean of all dirt and debris with a push broom. In this video i cover measuring the roof figuring the metal th.

The asphalt in the felt paper is waterproof and does a great job of protecting the untreated wood roof sheathing. 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. How to apply metal roofing over plywood step 1.

Space the screws about 12 in 30 cm apart. Most metal roof companies recommend installing felt paper on roof sheathing before you install the metal roofing. 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. Remove all unused vents pipes and protrusions.

The asphalt in the felt paper is waterproof and does a great job of protecting the. I d not install plastic on the sheathing because it s a vapor barrier. Moreover try to ensure that the screws are all aligned evenly. Most metal roof companies recommend installing felt paper on roof sheathing before you install the metal roofing.

For exposed fasteners avoid over tightening the fastener. 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. Place the first screw.