Metal Roof Over Shingles Installation

Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality.

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. 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. Otherwise you will need to remove the shingles. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.

Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof. Anatomy of a steel roof this is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Another added benefit is that the layers of your old roof will further insulate your home. However you ll want to check with your local building department before you make any decisions.

However you should only install a metal roof over shingles if you have less than four layers of shingles on the 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. Metal roofs have a long history of use. In terms of building codes many municipalities now have placed limits.

Can i install a new metal roof over shingles. Yes you can install a metal roof over shingles.