Mcelroy metal has introduced a method for installing standing seam metal roofing directly over asphalt shingles without a tear off.
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.
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.
For both architectural shingles and standing seam metal roofing this is usually a non issue.
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.
Metal roofing tends to be more popular in coastal areas especially compared to 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.
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.
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.
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.