Consequently they don t have the same ventilation advantages.
Installing metal roof on top of shingles.
Can you put metal roof over shingles.
Metal roofing sheets have to be installed one at a time.
At the top of the list of metal roofing pros the material s long lifespan is why most homeowners make the switch in either a re roofing or new construction.
A steel roof is a lifetime investment lasting 50 years or more if it s a good one.
Most metal shingles will be attached to the roof using metal shingle clips but metal roofing shingle installation can be system specific.
Yes you can install a metal roof over shingles.
3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
Indeed that recent mcgraw.
Place a sheet from top to bottom on a section of the roof.
Installing a metal roof over shingles can also result in an increased chance of trapped water vapor and moisture between the new roof and old roof resulting in new mold and rot.
Then cover the entire roof with a layer of insulation and secure it with a staple gun.
However you ll want to check with your local building department before you make any decisions.
This is by far the most common way to install a metal roof.
Consult the guide for your shingle brand to determine the specific method of installation required to preserve the warranty.
Next use 1 inch nails to secure some metal edging to the perimeter of the roof.
Before you install metal roofing repair any damage to the wood under the shingles.
But some steel shingle manufacturers offer do it yourself systems that cost about the same as an installed asphalt roof.
Can you put metal roof over shingles.
Building officials in some areas will only allow a re roof over one layer of shingles while officials in other places may allow you to place the roof over two layers of shingles.
Install metal roofing sheets.
These systems aren t attached to a frame but instead install directly on the old roof.