Metal Roof Over Shingles Installation

It provides a solid flat surface to attach the new metal roof to it creates an air gap between the back of the metal and the shingle roof which allows for airflow.

Metal roof over shingles installation.

Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. A steel roof is a lifetime investment lasting 50 years or more if it s a good one. Otherwise you will need to remove the shingles. They have always been popular on barns commercial buildings and.

Metal roofs have a long history of use. However you ll want to check with your local building department before you make any decisions. In terms of building codes many municipalities now have placed limits. Yes you can install a metal roof over shingles.

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. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Another added benefit is that the layers of your old roof will further insulate your home.

Can i install a new metal roof over shingles. Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof.