How To Install Corrugated Metal Roofing Over Shingles

Can i install a new metal roof over shingles.

How to install corrugated metal roofing over shingles.

If you choose to install metal roofing over shingles there are certain things you must keep in mind. Remove the old roofing. Installation of metal roofing over shingles. But first here are a few precautions about the underlying material.

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. Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed. One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms. Installing steel roofing over existing roofing materials is fairly simple.

Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Address any existing roof leaks and replace rotten rafters or. The second way to install a metal roof over a shingle roof is with the use of purlins or battens.

A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. A corrugated metal roof is quieter than pvc when it rains. Consult the guide for your shingle brand to determine the specific method of installation required to preserve the warranty. This method has its benefits as well.

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. Otherwise you will need to remove the shingles. We get asked this question all the time. Steel roofing offers many benefits over slate tiles or asphalt shingles metal roofing is resistant to fire rot and termites manufacturers provide 30 year warranties on metal roofing products.