Venting the eaves to vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath.
Metal roof install detail.
Then cover the entire roof with a layer of insulation and secure it with a staple gun.
Install metal panels or shingles 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 line.
If installed correctly there should be no need for rivets in the valley.
10 bad metal roof installation details that you should avoid on your project bad detail 1.
Install the roofing screws vertically along each rib in the panel.
This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.
Before you install metal roofing repair any damage to the wood under the shingles.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.