How To Install Metal Roofing Over Shingles

I frequently am asked whether homeowners and contractors should remove roof shingles from a home s roof before a new metal roof is installed.

How to install metal roofing over shingles.

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. Can i install a new metal roof over shingles. As long as the plywood under the shingle roof is in good condition this way can provide many benefits. 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. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise. Consult the guide for your shingle brand to determine the specific method of installation required to preserve the warranty. Make sure roof is square.

We get asked this question all the time. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. However it is based upon experience with tens of thousands of installations over many years. Yes you can install a metal roof over shingles.

My answer often surprises people. This is by far the most common way to install a metal roof. Anatomy of a steel roof. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.

Then cover the entire roof with a layer of insulation and secure it with a staple gun. Before you install metal roofing repair any damage to the wood under the shingles. What s involved in how to install metal roofing. Next use 1 inch nails to secure some metal edging to the perimeter of the roof.

However you ll want to check with your local building department before you make any decisions.