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.
Can metal roofing be installed over shingles.
Metal roofs are much lighter than shingles so they are able to be installed over an existing roof.
However you ll want to check with your local building department before you make any decisions.
However there are some things that you will want to check out before doing it this way.
One big advantage to metal roofing is its light weight which means metal roofing can be installed over an existing shingle roof.
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.
This makes it a perfect material to be installed right on top of an existing shingle roof.
Yes you can install a metal roof over shingles.
For one you will need to check with your local building department and ask if this is an approved installation method.
The answer is yes.
One big advantage to metal roofing is that it is light weight which makes it the perfect material to be installed over an existing shingle roof.
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.
No you do not have to tear off your shingle roof.
One of the major advantages of metal roofing is that it is very lightweight.
Choose a material like steel or aluminum which are lighter metal materials rather than heavier material like copper.