Installing Standing Seam Metal Roof Over Shingles

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.

Installing standing seam metal roof over shingles.

The main challenges when installing a metal roof directly over shingles with no underlayment are clip alignment and abrasion on the underside of panels. When choosing to install a metal roof homeowners need to take into account several trade offs involving cost and performance. I prefer a hatchet but in some. In a standing seam roof long single panels run vertically all the way from the eave to the ridge.

When installing a standing seam it is strongly recommended that all asphalt shingles are removed before the installation in order to prevent avoid the telegraphing effect where horizontally installed shingles punch through the vertical sheet metal roofing panels causing unsightly dents that cannot be fixed removed. Standing seam metal roof installation process. Better steel shingle systems like the one shown install over a framework of 2x2s. Basic preparation for the job the most important thing about installing standing seam is to measure the roof.

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 contrast steel shingles are small panels installed in horizontal rows much like other shingles. 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. The metal used for the roof can be tin copper aluminum or steel.

Mcelroy metal has introduced a method for installing standing seam metal roofing directly over asphalt shingles without a tear off. Yes you can install a metal roof over shingles. The system is designed around the patent pending 138t shingle recover clip and 138t symmetrical standing seam panel. Necessary tools materials and supplies a roofing hatchet or a carpenter s hammer.

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