But first here are a few precautions about the underlying material.
Metal roof installation over shingles.
Consult the guide for your shingle brand to determine the specific method of installation required to preserve the warranty.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
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.
Installing metal roofing over shingles is the best solution.
What s involved in how to install metal roofing.
Address any existing roof leaks and replace rotten rafters or.
Before you install metal roofing repair any damage to the wood under the shingles.
Otherwise you will need to remove the shingles.
3 install 1 4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1 4 purlins over the shingle roof.
A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.
Installation of metal roofing over shingles.
Most metal shingles will be attached to the roof using metal shingle clips but metal roofing shingle installation can be system specific.
Over time if there wasn t a buffer in between the shingle granules would wear away at the back of the metal roofing panels.
We re going to break them down so you know what to look out for.
Make sure roof is square.
We get asked this question all the time.
Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.
This is by far the most common way to install a metal roof.
Next use 1 inch nails to secure some metal edging to the perimeter of the roof.
Can i install a new metal roof over shingles.
In terms of performance many homeowners choose a steel roof making it the most popular option when it comes to creating a metal roof over existing shingles.
The purlins are screwed or nailed down to the roof deck depending on how the metal roofing manufacturer has testing for.
The second way to install a metal roof over a shingle roof is with the use of purlins or battens.
If you choose to install metal roofing over shingles there are certain things you must keep in mind.
Anatomy of a steel roof.
The metal used for the roof can be tin copper aluminum or steel.