Standing Seam Metal Roof Over Asphalt Shingles

Complete and separate roofing systems such as standing seam metal roof systems that are designed to transmit the roof loads directly the buildings structural systems and that do not rely on existing roofs and roof coverings for support shall not require the removal of existing roof coverings.

Standing seam metal roof over asphalt shingles.

They are available in a variety of colors and textures are low cost and provide a traditional aesthetic. 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. The system is designed around the patent pending 138t shingle recover clip and 138t symmetrical standing seam panel. For both architectural shingles and standing seam metal roofing this is usually a non issue.

Mcelroy metal has introduced a method for installing standing seam metal roofing directly over asphalt shingles without a tear off. 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. In a standing seam roof long single panels run vertically all the way from the eave to the ridge.

Yes you can install a metal roof over shingles. Because of asphalt shingle s dominance in the market finding quality installers is easier in most geographic locations. Fiberglass core or matting an asphalt coating and a ceramic or stone granule surface give this material its durability. Asphalt shingles are the most popular roofing material.

However you ll want to check with your local building department before you make any decisions. 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.