Standing Seam Metal Roof Installation Over Shingles

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.

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

There are two main reasons. First of all if you install a standing seam metal roof over asphalt shingles there will be a so called telegraphing effect where shingles can punch horizontal lines in standing seam panels. Make sure roof is square. In contrast steel shingles are.

The main challenges when installing a metal roof directly over shingles with no underlayment are clip alignment and abrasion on the underside of. In contrast standing metal seam solutions can only withstand winds up to 80 miles per hour. In general metal shingle systems both stone coated and painted can withstand winds of up to 120 miles per hour. 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.

In a standing seam roof long single panels run vertically all the way from the eave to the ridge. Unlike steel and aluminum shingles standing seam panels should not be installed over the existing asphalt shingles. The system is designed around the patent pending 138t shingle recover clip and 138t symmetrical standing seam panel. In a standing seam roof long single panels run vertically all the way from the eave to the ridge.

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.