Metal Roof Over Old Shingles

Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.

Metal roof over old shingles.

There are really two ways to install a metal roof over a shingle roof. This provides a couple of benefits. March 11 2020 by safe harbor roofing reroofing is the practice that involves installing a new roof over an existing one. So when we talk about metal roofing over shingles how does it work.

Both metal and shingle roofs are great options for your next roofing project. Should old shingles be removed before new installation. After all you ll be making a significant and long term investment. The first way is to run new underlayment over the existing shingle roof completely covering the old roof.

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. 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. Things to know about metal over shingle roof problems. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems.

Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. 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.