Installing Metal Roofing Over Asphalt Shingles

If you want to install steel over asphalt your best choice for installing metal roofing is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel.

Installing metal roofing over asphalt shingles.

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. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. But first here are a few precautions about the underlying material. 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. Both metal and shingle roofs are great options for your next roofing project. Asphalt shingles are the most popular roofing material. See the full post here.

Fiberglass core or matting an asphalt coating and a ceramic or stone granule surface give this material its durability. Does it work to leave asphalt shingles under long metal panels. Otherwise you will need to remove the shingles. 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.

A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. We re going to break them down so you know what to look out for. Address any existing roof leaks and replace rotten rafters or. Things to know about metal over shingle roof problems.

After all you ll be making a significant and long term investment. Installation of metal roofing over shingles. Doesn t provide the flattest surface for the metal roofing to be installed over each course of shingles is about a 1 8 higher than the course just below it. 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. How to install metal roofing over shingles. They are available in a variety of colors and textures are low cost and provide a traditional aesthetic. 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.

If you choose to install metal roofing over shingles there are certain things you must keep in mind. In a standing seam roof long single panels run vertically all the way from the eave to the ridge.