Metal roofs are typically put over an old roof which can add insulation value.
Installing a metal roof on a double wide.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
This is by far the most common way to install a metal roof.
Lay strips of 1 by 4 inch furring end to end and 2 feet apart across the length of the roof.
For exposed fasteners avoid over tightening the fastener.
Unfold strips of fan fold insulation across the length of the roof after it has been scraped and cleaned thoroughly.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
A metal roof with medium pitch costs about 4 to 5 per square foot installed.
Cut any excess.
Place the first screw.
This makes the total of a 2 160 square foot roof cost between 8 640 and 10 800.
Space the screws about 12 in 30 cm apart.
Install the roofing screws vertically along each rib in the panel.
3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof.
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.