Is It Ok To Install Metal Roofing Over Shingles

Otherwise you will need to remove the shingles.

Is it ok to install metal roofing over shingles. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. What s involved in how to install metal roofing. Things to know about metal over shingle roof problems. This method has its benefits as well.

Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. Installation of metal roofing over shingles. After all you ll be making a significant and long term investment. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.

We re going to break them down so you know what to look out for. The second way to install a metal roof over a shingle roof is with the use of purlins or battens. Yes you can and by doing so you save in the labor and hassle of tearing off the old roof and you won t be contributing to filling our landfills. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.

Address any existing roof leaks and replace rotten rafters or. Before you reshingle a roof read our step by step guide for adding new shingles over old ones. A steel roof is a lifetime investment lasting 50 years or more if it s a good one. 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. So the investment. Anatomy of a steel roof. The purlins are screwed or nailed down to the roof deck depending on how the metal roofing manufacturer has testing for their roofing panels and then the metal is installed to the purlins.

Can i install a new metal roof over shingles. Should old shingles be removed before new installation. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Both metal and shingle roofs are great options for your next roofing project.

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. March 11 2020 by safe harbor roofing reroofing is the practice that involves installing a new roof over an existing one. But first here are a few precautions about the underlying material. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems.

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.