Installing Metal Roof Over Sheathing

Remove all unused vents pipes and protrusions.

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

Inspect the plywood for damaged areas. And for any exposed fasteners try to avoid over tightening them. 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.

For exposed fasteners avoid over tightening the fastener. The asphalt in the felt paper is waterproof and does a great job of protecting the. Moreover try to ensure that the screws are all aligned evenly. How to apply metal roofing over plywood step 1.

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. Most metal roof companies recommend installing felt paper on roof sheathing before you install the metal roofing. Space the screws about 12 in 30 cm apart. Install the roofing screws vertically along each rib in the panel.

In this video i cover measuring the roof figuring the metal th. Repair any rotted sections of plywood before installing the metal panels. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Try to space the screws about 12 inches apart down the entire piece of metal.