Space the screws about 12 in 30 cm apart.
How to install metal roof decking.
Remove all unused vents pipes and protrusions.
Attach 3 by 3 foot sheets of tin to each section of the frame using 1 inch steel hex washer head screws and a cordless drill.
Sweep the plywood clean of all dirt and debris with a push broom.
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In addition cut a 12 piece for the top ridge.
How to apply metal roofing over plywood step 1.
Cover the roof of the shed with roofing felt making sure the strips overlap at least 2.
These roofs are usually easy to install over a deck or patio just make sure you re not breaking any local building codes.
Use your neoprene washer head screws to secure the metal to the sheathing.
Repair any rotted sections of plywood before installing the metal panels.
Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
Place the first screw.
Secure the tar paper to the plywood sheets with roofing staples.
This is part 1 of a 6 part video series explaining how i installed a metal roof on my house.
Fit the side drip edges over the roofing felt while the bottom drip edges should be fit under.
In this video i cover measuring the roof figuring the metal th.
For exposed fasteners avoid over tightening the fastener.
Install the roofing screws vertically along each rib in the panel.
Screw the steel hex washer head screws into the tops of corrugated waves of tin roofing material to prevent leaking through screw holes at the bottoms of the waves when rain runs down the roof.