Tuff Rib Panel 36″ coverage 80K psi tensile strength steel base metal Silicon-Modified Polyester Paint System Minimum recommended pitch 3/12 Energy Star Rated 40-year paint warranty SnapLock Standing SEam Panel Available in 26 and 24 gauge and 22-gauge CORTEN Minimum recommended pitch -3/12 Hidden fastener panel system Panels manufactured at jobsite 1″ tall rib-12″ or 16″ 1.5″ tall rib-15″ or 20″ Mechanical Lock Standing Seam Panel Available in 26ga, 24ga, or 22ga Corten 1″ tall rib-13″ or 17″ width 1.5″ tall rib-16″ or 20″ width Can be used on all roof pitches Seams are folded/crimped together upon install Most durable, long-lasting panel