How To Install Metal Roofing Over Shingles

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

How to install metal roofing 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. Next use 1 inch nails to secure some metal edging to the perimeter of 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.

Anatomy of a steel roof. What s involved in how to install metal roofing. Yes you can install a metal roof over shingles. We get asked this question all the time.

Make sure roof is square. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle 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.

A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. This is by far the most common way to install a metal roof. My answer often surprises people. Can i install a new metal roof over shingles.

Consult the guide for your shingle brand to determine the specific method of installation required to preserve the warranty. However you ll want to check with your local building department before you make any decisions. I frequently am asked whether homeowners and contractors should remove roof shingles from a home s roof before a new metal roof is installed. Before you install metal roofing repair any damage to the wood under the shingles.

However it is based upon experience with tens of thousands of installations over many years.