2 Reasons You Might Need To Tear Off Old Shingles Before Getting A New Metal Roof
If you want to replace your asphalt shingles with a new metal roof, you might be thinking about putting the metal panels over the old shingles. Since metal is lightweight roofing, it's possible to place them over your old roofing, but you need to make sure that's the best choice for your residential roof replacement.
The roofing contractor will inspect your old roof first and determine if it's a good idea to put metal panels over old shingles or if the old roof should come off first.