Installing Tin Roofing Over Shingles

Installation of metal roofing over shingles.

Installing tin roofing over shingles.

Installing metal roofing over shingles is the best solution. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. We re going to break them down so you know what to look out for. 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.

Make sure roof is square. Anatomy of a steel roof. 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. However you should only install a metal roof over shingles if you have less than four layers of shingles on the 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. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise. Things to know about metal over shingle roof problems. Address any existing roof leaks and replace rotten rafters or.

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. But roofers can install a vented metal roof that eliminates this potential problem. If you choose to install metal roofing over shingles there are certain things you must keep in mind. This is by far the most common way to install a metal roof.

But first here are a few precautions about the underlying material. Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once. After all you ll be making a significant and long term investment. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.

Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed. If trapped between the metal roofing and old roofing moisture can build up and cause mold and rot. As long as the plywood under the shingle roof is in good condition this way can provide many benefits. Both metal and shingle roofs are great options for your next roofing project.

What s involved in how to install metal roofing. The metal used for the roof can be tin copper aluminum or steel. Otherwise you will need to remove the shingles.