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.

How to install corrugated metal roofing over shingles.

We get asked this question all the time. Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas. A corrugated metal roof is quieter than pvc when it rains. Remove the old roofing.

The second way to install a metal roof over a shingle roof is with the use of purlins or battens. 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. Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once. 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. Installing steel roofing over existing roofing materials is fairly simple. Most metal shingles will be attached to the roof using metal shingle clips but metal roofing shingle installation can be system specific. If you choose to install metal roofing over shingles there are certain things you must keep in mind.

But first here are a few precautions about the underlying material. Otherwise you will need to remove the shingles. Can i install a new metal roof 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.

A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. 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. Installation of metal roofing over shingles.