Standing Seam Metal Roof Over Asphalt Shingles

Because of asphalt shingle s dominance in the market finding quality installers is easier in most geographic locations.

Standing seam metal roof over asphalt shingles.

If you are installing a metal roof over the existing asphalt roof then aluminum shingles would be a preferred choice because with standing seam there is a chance that old shingles might telegraph underneath the standing seam panels following the installation. For both architectural shingles and standing seam metal roofing this is usually a non issue. If you want to install steel over asphalt your best choice for installing metal roofing is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel. They are available in a variety of colors and textures are low cost and provide a traditional aesthetic.

The system is designed around the patent pending 138t shingle recover clip and 138t symmetrical standing seam panel. Fiberglass core or matting an asphalt coating and a ceramic or stone granule surface give this material its durability. Yes you can install a metal roof over shingles. In a standing seam roof long single panels run vertically all the way from the eave to the ridge.

However you ll want to check with your local building department before you make any decisions. 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 shingles are the most popular roofing material. Metal roofs generally can run from 120 to 900 per 100 square feet one 10 foot by 10 foot area or a square of material while asphalt shingles will be between 100 and 200 per 100 square.

If you want to install steel over asphalt your best choice is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel. Mcelroy metal has introduced a method for installing standing seam metal roofing directly over asphalt shingles without a tear off.