Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.
Installing shingles over metal roof.
Lay the shingles on the whole surface of your roof.
So if your roof has two layers it may require a complete tear off even though steel is lighter than asphalt.
Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.
Building officials in some areas will only allow a re roof over one layer of shingles while officials in other places may allow you to place the roof over two layers of shingles.
In terms of performance many homeowners choose a steel roof making it the most popular option when it comes to creating a metal roof over existing shingles.
1 remove the shingles before installing the metal roof the first way to install a metal roof over shingles is by completely removing the old shingles before installing the new metal roof.
When done install the ridge cap shingles over the ridge.
You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof.
Install your metal edging around the perimeter of your roof.
Should old shingles be removed before new installation.
Can i install a new metal roof over shingles.
However you ll want to check with your local building department before you make any decisions.
Yes you can install a metal roof over shingles.
Installing metal roofing over shingles is the best solution.
Another added benefit is that the layers of your old roof will further insulate your home.
March 11 2020 by safe harbor roofing reroofing is the practice that involves installing a new roof over an existing one.
Yes you can and by doing so you save in the labor and hassle of tearing off the old roof and you won t be contributing to filling our landfills.
Ideally start on the left side of the hill by nailing it on the right side lay the next shingle cap over the first ensure it covers the nail on the fist shingle nail it down and continue this way to the last shingle cap.
Most codes now allow no more than two layers of roofing before requiring a complete tear off.
How to install a metal roof over shingles hunker.
So if your roof has two layers it may require a complete tear off even though steel is lighter than asphalt.
Most codes now allow no more than two layers of roofing before requiring a complete tear off.
The metal used for the roof can be tin copper aluminum or steel.