How To Install Metal Roofing Over Plywood

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

How to install metal roofing over plywood.

Sweep the plywood clean of all dirt and debris with a push broom. Use your neoprene washer head screws to secure the metal to the sheathing. How to install metal roofing over plywood inspect your plywood. When using plywood nail it directly to the purlins and screw the metal roofing panels through the plywood into the purlins as instructed by the manufacturer.

In this video i m installing some metal roofing over an existing ash fault shingled roof. Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are. You will use metal roofing screws to secure the metal panels to the sheathing. This is not a complete install only basic install on a bungalow i.

But it seems the condensation will affect the 2x4 strapping. How to apply metal roofing over plywood step 1. In this installation the vapor barrier is installed on the side of the insulation nearest the interior of the building. For exposed fasteners avoid over tightening the fastener.

I was planning on putting plywood over the rafters and cross the rafters with a 2 x4 every 16 to secure the metal roof to. Repair any rotted sections of plywood before installing the metal panels. Applying the underlayment and the slip sheet. Try to space the screws about 12 inches apart down the entire piece of metal.

Inspect the plywood for damaged areas. After the original roofing is removed what you will want to do first is look for bad pieces of. 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.

Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Place the first screw. To watch the entire series from the beginning click here. And for any exposed fasteners try to avoid over tightening them.

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