Installing Tin Roofing Over Shingles

Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.

Installing tin roofing over shingles.

If you choose to install metal roofing over shingles there are certain things you must keep in mind. Things to know about metal over shingle roof problems. But first here are a few precautions about the underlying material. This is by far the most common way to install a metal roof.

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. Anatomy of a steel roof. After all you ll be making a significant and long term investment.

If trapped between the metal roofing and old roofing moisture can build up and cause mold and rot. When choosing to install a metal roof homeowners need to. Or installing the new metal roofing over furring strips 1 x 3s or similar will raise the metal and provide a ventilating air pocket between layers. Both metal and shingle roofs are great options for your next roofing project.

Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once. Make sure roof is square. The metal used for the roof can be tin copper aluminum or steel. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.

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

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. 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 to work well with metal roofing. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. What s involved in how to install metal roofing.

Installing metal roofing over shingles is the best solution. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. We re going to break them down so you know what to look out for.