How To Install Metal Roofing Over Old Shingles
A professional can prevent you from making costly or dangerous mistakes.
How to install metal roofing over old shingles. Metal roofing is much more difficult to install than asphalt shingles. Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof. Install the metal edging. A steel roof is a lifetime investment lasting 50 years or more if it s a good one.
Venting the eaves to vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath. How to install a metal roof over shingles. 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. Make a slat board base on top of the shingles.
Venting the eaves to vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath. Use 1 1 4 inch. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. Most metal shingles will be attached to the roof using metal shingle.
Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. If you install your metal roof over a leaky or buckling roof it will lead to an expensive repair job. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.
Install your metal edging around the perimeter of your roof. Another added benefit is that the layers of your old roof will further insulate your home. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Can i install a new metal roof over shingles.