Installation of metal roofing over shingles.
Installing metal roofing over shingles video.
This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.
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.
If you choose to install metal roofing over shingles there are certain things you must keep in mind.
Make sure roof is square.
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.
Consult the guide for your shingle brand to determine the specific method of installation required to preserve the warranty.
Installing steel roofing over existing roofing materials is fairly simple.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
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.
In this video i cover measuring the roof figuring the metal th.
3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof.
Most metal shingles will be attached to the roof using metal shingle clips but metal roofing shingle installation can be system specific.