How To Install Metal Roofing Over Plywood

How to install metal roofing over plywood inspect your plywood.

How to install metal roofing over plywood.

Inspect the plywood for damaged areas. In this video i m installing some metal roofing over an existing ash fault shingled roof. How to apply metal roofing over plywood step 1. And for any exposed fasteners try to avoid over tightening them.

Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Place the first screw. For exposed fasteners avoid over tightening the fastener. This is not a complete install only basic install on a bungalow i.

To watch the entire series from the beginning click here. Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are. Repair any rotted sections of plywood before installing the metal panels. Install the roofing screws vertically along each rib in the panel.

In this installation the vapor barrier is installed on the side of the insulation nearest the interior of the building. Applying the underlayment and the slip sheet. Moreover try to ensure that the screws are all aligned evenly. After the original roofing is removed what you will want to do first is look for bad pieces of.

You will use metal roofing screws to secure the metal panels to the sheathing. Remove all unused vents pipes and protrusions. 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. 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.

Try to space the screws about 12 inches apart down the entire piece of metal. Use your neoprene washer head screws to secure the metal to the sheathing. But it seems the condensation will affect the 2x4 strapping. Sweep the plywood clean of all dirt and debris with a push broom.

Most metal roofs will also require underlayment as well as a slip sheet.