Installing Metal Roofing Over Shingles Video

Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh.

Installing metal roofing over shingles video.

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. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. The vast majority of installations of the metal roofing systems produced by my company are over existing 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. Installation of metal roofing over shingles. 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.

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. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Make sure roof is square. 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. Address any existing roof leaks and replace rotten rafters or. 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. Most metal shingles will be attached to the roof using metal shingle clips but metal roofing shingle installation can be system specific.

We get asked this question all the time. But first here are a few precautions about the underlying material. As long as the plywood under the shingle roof is in good condition this way can provide many benefits. The low weight of metal roofing is one thing that encourages this.