Installing Metal Roof On Top Of Shingles

Consult the guide for your shingle brand to determine the specific method of installation required to preserve the warranty.

Installing metal roof on top of shingles.

A steel roof is a lifetime investment lasting 50 years or more if it s a good one. As long as the plywood under the shingle roof is in good condition this way can provide many benefits. Use 1 4 inch metal wood screws to attach the metal sheets to the wood slat board base. These systems aren t attached to a frame but instead install directly on the old roof.

Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. But some steel shingle manufacturers offer do it yourself systems that cost about the same as an installed asphalt roof. 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. However you ll want to check with your local building department before you make any decisions.

Yes you can install a metal roof over shingles. Consequently they don t have the same ventilation advantages. Most metal shingles will be attached to the roof using metal shingle clips but metal roofing shingle installation can be system specific. Place a sheet from top to bottom on a section of the roof.

Next use 1 inch nails to secure some metal edging to the perimeter 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. This is by far the most common way to install a metal roof. Indeed that recent mcgraw.

Can you put metal roof over shingles. Install metal roofing sheets. 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. Can you put metal roof over shingles.

Metal roofing sheets have to be installed one at a time. 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.