By removing the old roof before the new roof s installation you are able to give the underlayment a thorough inspection to ensure there are no damages that could.
Installing metal roof on top of shingles.
However you ll want to check with your local building department before you make any decisions.
These systems aren t attached to a frame but instead install directly on the old roof.
But some steel shingle manufacturers offer do it yourself systems that cost about the same as an installed asphalt roof.
Then cover the entire roof with a layer of insulation and secure it with a staple gun.
A steel roof is a lifetime investment lasting 50 years or more if it s a good one.
Use 1 4 inch metal wood screws to attach the metal sheets to the wood slat board base.
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.
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.
Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
Most metal shingles will be attached to the roof using metal shingle clips but metal roofing shingle installation can be system specific.
Metal roofing sheets have to be installed one at a time.
Install metal roofing sheets.
Next use 1 inch nails to secure some metal edging to the perimeter of the roof.
Can you put metal roof over shingles.
Can you put metal roof over shingles.
Place a sheet from top to bottom on a section of the roof.
Before you install metal roofing repair any damage to the wood under the shingles.
Consequently they don t have the same ventilation advantages.
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.
Yes you can install a metal roof over shingles.
Indeed that recent mcgraw.