Can i install a new metal roof over shingles.
Installing metal roofing over shingles video.
If you choose to install metal roofing over shingles there are certain things you must keep in mind.
Consult the guide for your shingle brand to determine the specific method of installation required to preserve the warranty.
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.
This is by far the most common way to install a metal roof.
We re going to break them down so you know what to look out for.
However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.
Installing steel roofing over existing roofing materials is fairly simple.
This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.
Address any existing roof leaks and replace rotten rafters or.
Most metal shingles will be attached to the roof using metal shingle clips but metal roofing shingle installation can be system specific.
Installation of metal roofing over shingles.
Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh.
The vast majority of installations of the metal roofing systems produced by my company are over existing shingles.
Otherwise you will need to remove the shingles.
Steel roofing offers many benefits over slate tiles or asphalt shingles metal roofing is resistant to fire rot and termites manufacturers provide 30 year warranties on metal roofing products.
But first here are a few precautions about the underlying material.
Make sure roof is square.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
We get asked this question all the time.
The low weight of metal roofing is one thing that encourages this.