Posted 5/25/2019 12:44 (#7520241 - in reply to #7520044) Subject: RE: House Roof Replacement
The only way to do it is take off all the old roofing. Here in NY a permit is required. I don't do roofing any more but when I did I always took off the old. Putting new shingles over old one will shorten the life of the new. That's a lot of layers. Find a contractor that will do it right.
House Roof Replacement
