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. The system is designed around the patent pending 138t shingle recover clip and 138t symmetrical standing seam panel. 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. Mcelroy metal has introduced a method for installing standing seam metal roofing directly over asphalt shingles without a tear off.

Better steel shingle systems like the one shown install over a framework of 2x2s. Standing seam kynar 500 coated aluminum or steel. The problem is that metal has such a large coefficienct of expansion and contraction that the fasteners are frequently worn out or broken. There are two main reasons.

The main challenges when installing a metal roof directly over shingles with no underlayment are clip alignment and abrasion on the underside of panels. Architectural and premium shingles. Both field locked and snap locked panels the overall installation cost is 950 to 1 550 per square. I would say at least every 10 years one should refasten the roof or dope the screw heads.

It s also described as having raised seams or vertical legs that rise above the level of the panel s flat area. Standing seam roofs are a little better than other types because the fasteners are hidden.