How To Install Corrugated Metal Roofing Over Shingles

Installation of metal roofing over shingles.

How to install corrugated metal roofing 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. Installing steel roofing over existing roofing materials is fairly simple. Address any existing roof leaks and replace rotten rafters or. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.

Most metal shingles will be attached to the roof using metal shingle clips but metal roofing shingle installation can be system specific. 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. Otherwise you will need to remove the shingles.

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. 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. But first here are a few precautions about the underlying material.

Remove the old roofing. One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms. Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas. 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.

Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once. A corrugated metal roof is quieter than pvc when it rains. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. We get asked this question all the time.