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.

How to install corrugated metal roofing over shingles. 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. 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. 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. Address any existing roof leaks and replace rotten rafters or. Most metal shingles will be attached to the roof using metal shingle clips but metal roofing shingle installation can be system specific. Remove the old roofing.

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. This method has its benefits as well. One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms. Installation of metal roofing over shingles.

Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once. But first here are a few precautions about the underlying material. Can i install a new metal roof over shingles. Installing steel roofing over existing roofing materials is fairly simple.

We re going to break them down so you know what to look out for. If you choose to install metal roofing over shingles there are certain things you must keep in mind. Consult the guide for your shingle brand to determine the specific method of installation required to preserve the warranty. The second way to install a metal roof over a shingle roof is with the use of purlins or battens.