Installing Metal Roofing Over Shingles Video

Installation of metal roofing over shingles.

Installing metal roofing over shingles video.

The vast majority of installations of the metal roofing systems produced by my company are over existing shingles. Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh. 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. Make sure roof is square.

Most metal shingles will be attached to the roof using metal shingle clips but metal roofing shingle installation can be system specific. This is by far the most common way to install a metal roof. Address any existing roof leaks and replace rotten rafters or. As long as the plywood under the shingle roof is in good condition this way can provide many benefits.

Otherwise you will need to remove the shingles. 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. 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.

The low weight of metal roofing is one thing that encourages this. We get asked this question all the time. If you choose to install metal roofing over shingles there are certain things you must keep in mind. But first here are a few precautions about the underlying material.

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. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Consult the guide for your shingle brand to determine the specific method of installation required to preserve the warranty.