Installing A Metal Roof Over Existing Shingles

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.

Installing a metal roof over existing shingles.

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. Installing metal roofing over shingles is the best solution. We re going to break them down so you know what to look out for. As long as the plywood under the shingle roof is in good condition this way can provide many benefits.

The industry standard for underlayment is often thought of as felt paper tar paper but there are also many newer synthetic underlayments that are designed. There are really two ways to install a metal roof over a shingle roof. The first one being that the new underlayment will act as a second line of defense in case water would to somehow get underneath the. A layer of underlayment installed on top of the existing shingles will help keep the granules of the old shingles from rubbing against the back of the metal and causing possible corrosion.

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. This provides a couple of benefits. But first here are a few precautions about the underlying material. A metal roof is a great solution and as we highlighted above you can install a metal roof over your existing shingles.

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Otherwise you will need to remove the shingles. In terms of performance many homeowners choose a steel roof making it the most popular option when it comes to creating a metal roof over existing shingles. The first way is to run new underlayment over the existing shingle roof completely covering the old roof.

Address any existing roof leaks and replace rotten rafters or. The benefits of a metal roof are worth giving metal roofing a chance. Installation of metal roofing over shingles. 3 install 1 4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1 4 purlins over the shingle roof.

The metal used for the roof can be tin copper aluminum or steel. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. If you choose to install metal roofing over shingles there are certain things you must keep in mind. When choosing to install a metal roof homeowners need to.

A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.