Most codes now allow no more than two layers of roofing before requiring a complete tear off.
Installing shingles over metal roof.
When done install the ridge cap shingles over the ridge.
However you ll want to check with your local building department before you make any decisions.
Installing metal roofing over shingles is the best solution.
Should old shingles be removed before new installation.
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.
So if your roof has two layers it may require a complete tear off even though steel is lighter than asphalt.
Make a slat board base on top of the shingles.
Can i install a new metal roof over shingles.
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.
Most codes now allow no more than two layers of roofing before requiring a complete tear off.
Lay the shingles on the whole surface of your roof.
March 11 2020 by safe harbor roofing reroofing is the practice that involves installing a new roof over an existing one.
Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.
You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof.
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.
Yes you can install a metal roof over 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.
Install your metal edging around the perimeter of your roof.
How to install a metal roof over shingles hunker.
Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.
Another added benefit is that the layers of your old roof will further insulate your home.