Install Steel Roof Over Singles

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.

Install steel roof over singles.

Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. 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. In a standing seam roof long single panels run vertically all the way from the eave to the ridge. Things to know about metal over shingle roof problems.

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. However you ll want to check with your local building department before you make any decisions. 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. A steel roof is a lifetime investment lasting 50 years or more if it s a good one.

After all you ll be making a significant and long term investment. We get asked this question all the time. Can i install a new metal roof over shingles. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems.

Both metal and shingle roofs are great options for your next roofing project. Yes you can install a metal roof over shingles. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. As long as the plywood under the shingle roof is in good condition this way can provide many benefits.

Anatomy of a steel roof. The second way to install a metal roof over a shingle roof is with the use of purlins or battens. In a standing seam roof long single panels run vertically all the way from the eave to the ridge. The purlins are screwed or nailed down to the roof deck depending on how the metal roofing manufacturer has testing for their roofing panels and then the metal is installed to the purlins.

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. Steel roofing can be costly but it is a lifetime investment. This method has its benefits as well.

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