How To Install Metal Roofing Over Shingles

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

How to install metal roofing over shingles. We get asked this question all the time. Most metal shingles will be attached to the roof using metal shingle clips but metal roofing shingle installation can be system specific. This is by far the most common way to install a metal roof. Can i install a new metal roof over shingles.

However you should only install a metal roof over shingles if you have less than four layers of shingles on the 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. 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. My answer often surprises people.

Then cover the entire roof with a layer of insulation and secure it with a staple gun. Anatomy of a steel roof. 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.

What s involved in how to install metal roofing. Make sure roof is square. Consult the guide for your shingle brand to determine the specific method of installation required to preserve the warranty. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.

Next use 1 inch nails to secure some metal edging to the perimeter of the roof. Yes you can install a metal roof over shingles. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise. 3 install 1 4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1 4 purlins over the shingle roof.

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