How To Install Steel Roofing Over Shingles

We get asked this question all the time.

How to install steel roofing over shingles.

If you choose to install metal roofing over shingles there are certain things you must keep in mind. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle 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. Venting the eaves to vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath.

Address any existing roof leaks and replace rotten rafters or. We re going to break them down so you know what to look out for. This is by far the most common way to install a metal roof. Can i install a new metal roof over shingles.

Venting the eaves to vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Next use 1 inch nails to secure some metal edging to the perimeter of the roof. Noise is usually not a factor if you are installing a steel roof over asphalt.

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. Otherwise you will need to remove the shingles. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Then cover the entire roof with a layer of insulation and secure it with a staple gun.

Galvanized steel which is created by using a soft layer of zinc to protect the inner layers is the most common type of steel roofing. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. As long as the plywood under the shingle roof is in good condition this way can provide many benefits. But first here are a few precautions about the underlying material.