Standing Seam
Hidden fasteners under continuous raised seams.
Fasteners are hidden beneath the seams. Vertical raised seams typically run continuously from eave to ridge. Panels are attached using concealed clips that allow for thermal expansion and contraction. Clean, modern appearance.
Common terms
Single fold, double fold, snap lock, triple lock, quad lock, nail strip, T-seam
Manufacturers
Canadian metal roof panels including Prestige, Tradition, TSR, and Supervic.
Snap Lok standing seam and exposed rib panels including Pinnacle and Tough Rib.
Standing seam panels including AR 25/38 and NS 1.5 nail strip.
RTL 24 Quad Lock and triple-lock standing seam profiles.
MR-24 double-folded standing seam systems.
R-Mer Span and T-shaped seam profiles.
Easy-Snap nail strip standing seam panels.
Legacy Snap Lok nail strip profiles.
Heritage Series wider nail strip profiles.
MS 1 and MS 2 nail strip profiles.
Prolok nail strip standing seam panels.
Double Lok vertical machine-folded seams.
SSR 42 wider horizontal seam profiles.
FR nailstrip standing seam profiles.
Generic corrugated and rib profiles when brand is unknown.
Standing seam panels including SS 100 and SS 150 (single and double fold).
