Standing Seam Roof Over Shingles

Standing seam metal roofing is defined as a concealed fastener metal panel system that features vertical legs and a broad flat area between the two legs.

Standing seam roof over shingles.

Unlike steel and aluminum shingles standing seam panels should not be installed over the existing asphalt shingles. In a standing seam roof long single panels run vertically all the way from the eave to the ridge. Mcelroy metal has introduced a method for installing standing seam metal roofing directly over asphalt shingles without a tear off. In contrast steel shingles are small panels installed in horizontal rows much like other shingles.

It s also described as having raised seams or vertical legs that rise above the level of the panel s flat area. The system is designed around the patent pending 138t shingle recover clip and 138t symmetrical standing seam panel. Better steel shingle systems like the one shown install over a framework of 2x2s. Standing seam kynar 500 coated aluminum or steel.

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. The cost to install architectural shingles labor and material included comes in around 350 to 550 per square. I would say at least every 10 years one should refasten the roof or dope the screw heads. Standing seam roofs are a little better than other types because the fasteners are hidden.

There are two main reasons. Architectural and premium shingles.