Given that the edges may swell with exposure to moisture you may prefer to use these larger panels to minimize the number of edges along the roof.
Plywood roofing panels.
Plywood is made with three or more layers of thin wood glued together with the grain alternating.
Choosing plywood for the roof.
Install the panel so that the short lip overlaps the large lip.
Continue adding panels until the roof is covered.
To secure it measure it roll it out over the plywood cut it to the dimensions of the roof with a roofing or utility knife and finally hammer it securely to the plywood with 1 2 inch roofing nails.
It is typically made in 4 by 8 foot sheets although longer panels are available for special purposes.
Work toward the ridge.
Metal roofing is also available in the form of.
Screw the new panel in place as described.
Choosing the right type of plywood for the roof is one of the most important construction decisions that you will have to make.
Begin on the left side of the roof working to the right.
Tongue and groove plywood is designed so panels fit together quickly like a puzzle.
Install the first metal panel on the low end of the roof square to the eave.
Overlap the edge of the roof by 1 inch.
The preservative process makes pressure treated plywood last long and is ideal for outdoor projects.
The silicone will spread and adhere creating a seal.
Pressure treated plywood helps plywood stand up to the weather decay and insects.
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.