Most codes now allow no more than two layers of roofing before requiring a complete tear off.
Installing shingles over metal roof.
Make a slat board base on top of the shingles.
Most codes now allow no more than two layers of roofing before requiring a complete tear off.
You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof.
Yes you can install a metal roof over shingles.
Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.
When done install the ridge cap shingles over the ridge.
Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.
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.
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.
March 11 2020 by safe harbor roofing reroofing is the practice that involves installing a new roof over an existing one.
Lay the shingles on the whole surface of your roof.
How to install a metal roof over shingles hunker.
Install your metal edging around the perimeter of your roof.
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.
A benefit to doing it this way is that you can see if there is any rotten plywood that needs to be replaced before installing the new roof.
So if your roof has two layers it may require a complete tear off even though steel is lighter than asphalt.
Install the metal edging.
Can i install a new metal roof over shingles.
The metal used for the roof can be tin copper aluminum or steel.
Should old shingles be removed before new installation.
So if your roof has two layers it may require a complete tear off even though steel is lighter than asphalt.
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.