How To Install Metal Roofing Over Asphalt Shingles

As long as the plywood under the shingle roof is in good condition this way can provide many benefits.

How to install metal roofing over asphalt shingles.

However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. But first here are a few precautions about the underlying material. This is by far the most common way to install a metal roof. In a standing seam roof long single panels run vertically all the way from the eave to the ridge.

If you want to install steel over asphalt your best choice for installing metal roofing is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel. 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. Can i install a new metal roof over shingles. We get asked this question all the time.

In a standing seam roof long single panels run vertically all the way from the eave to the ridge. If you want to install steel over asphalt your best choice for installing metal roofing is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel. If you choose to install metal roofing over shingles there are certain things you must keep in mind. 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.

A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed 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. Tens of thousands of metal roofs have been done this way with no problems. Most metal shingles will be attached to the roof using metal shingle clips but metal roofing shingle installation can be system specific.

Consult the guide for your shingle brand to determine the specific method of installation required to preserve the warranty. Installation of metal roofing over shingles. Otherwise you will need to remove the shingles. There is absolutely no reason to remove a structurally sound asphalt roof to install a metal roof other than to add to cost.

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