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.

In a standing seam roof long single panels run vertically all the way from the eave to the ridge. Otherwise you will need to remove the 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. Both metal and shingle roofs are great options for your next roofing project.

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Does it work to leave asphalt shingles under long metal panels. 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. They are available in a variety of colors and textures are low cost and provide a traditional aesthetic.

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. But first here are a few precautions about the underlying material. It depends on the situation. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.

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. We re going to break them down so you know what to look out for. See the full post here. In contrast steel shingles are small panels installed in horizontal rows much like other shingles.

A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. 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. After all you ll be making a significant and long term investment.

However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. 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. How to install metal roofing over shingles. Things to know about metal over shingle roof problems.

Installation of metal roofing over shingles. Address any existing roof leaks and replace rotten rafters or.