Metal Roof Over Sheathing

Overlap each sheet by six inches and use nails or staples to fasten it.

Metal roof over sheathing.

Most formed metal roofing the type that imitates wood slate or clay comes with a built in thermal break that insulates against heat passing to the roof deck below. And unlike asphalt slate or clay roofs that hold onto solar heat after the sun goes down metal quickly releases its heat back into the atmosphere. Overlap the edge of the roof by 1 inch. There are two ways to do this put in firring nailing though nails are not used any more for this strips or purlins in steel frame construction on the roof to support it or place the metal roofing directly on a flat surface like foam insulation board or the roof sheathing with roof water barrier in the correct position in the layer.

Work toward the ridge. Lay the wood perpendicular to the roof joists and use roofing nails to fasten it in place. Begin on the left side of the roof working to the right. You may not reprint this full article or even a significant amount of the article without explicit permission to gain permission click here.

Secure the metal panel to the deck by drilling 1 1 2 inch galvanized metal screws through the peak of the rib in 12 inch to 16 inch intervals. Make sure there s a 1 inch overlap the edge of the roof by one inch then secure it by drilling 1 and 1 2 inch galvanized metal screws through the panel in 12 inch to 16 inch intervals. Overlap the next panel straight above the first by 12 inches and secure it the same way you secured the first. Place layers of building paper over the sheathing.

Fastener pull out resistance osb osb roof decking 4 responses to is osb acceptable as roof decking for metal roofing. Install plywood to act as structural roof sheathing. Install the first metal panel on the low end of the roof square to the eave.