Installing Metal Roof On Top Of Shingles

Can you put metal roof over shingles.

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 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. 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.

But some steel shingle manufacturers offer do it yourself systems that cost about the same as an installed asphalt roof. Install metal roofing sheets. Then cover the entire roof with a layer of insulation and secure it with a staple gun. Use 1 4 inch metal wood screws to attach the metal sheets to the wood slat board base.

Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. 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. Metal roofing sheets have to be installed one at a time. As long as the plywood under the shingle roof is in good condition this way can provide many benefits.

Consequently they don t have the same ventilation advantages. Before you install metal roofing repair any damage to the wood under the shingles. Yes you can install a metal roof over shingles. These systems aren t attached to a frame but instead install directly on the old roof.

This is by far the most common way to install a metal roof. Place a sheet from top to bottom on a section of the roof. However you ll want to check with your local building department before you make any decisions. Indeed that recent mcgraw.

Next use 1 inch nails to secure some metal edging to the perimeter of the roof. 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.