Most metal shingles will be attached to the roof using metal shingle clips but metal roofing shingle installation can be system specific.
How to install corrugated metal roofing over shingles.
But first here are a few precautions about the underlying material.
This method has its benefits as well.
Installing steel roofing over existing roofing materials is fairly simple.
Can i install a new metal roof over shingles.
The second way to install a metal roof over a shingle roof is with the use of purlins or battens.
We get asked this question all the time.
Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once.
Installation of metal roofing over shingles.
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.
One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms.
If you choose to install metal roofing over shingles there are certain things you must keep in mind.
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.
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.
Remove the old roofing.
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.
Otherwise you will need to remove the shingles.
Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas.
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.