Home About Services Products Industries Projects FAQ Get a Quote
Home / Products / Panels

Standing seam panel profiles.

Three panel systems covering snap lock and mechanically locked seams, from residential re-roofs to structural commercial work and curved barrel roofs.

DMC450 DMC200S DMC150SS Edge Metal & Coping Color Chart

DMC450

DMC450 snap lock standing seam panel profile

A 1½" snap lock panel with a continuous interlock that installs by hand, no seaming pass required. The concealed fastener and floating clip system let the panel move with temperature changes while keeping the finish flat and true — our standard pick for commercial and residential roofs that don't need a structural mechanical seam.

Seam typeSnap Lock
Seam height1½"
Standard panel widths12", 16", 20" nominal
Minimum slope3:12
Materials24 ga painted or acrylic-coated Galvalume; .032"/.040" painted aluminum
Ideal applicationCommercial & residential

Panel rib options: Flat Panel, Clip Relief, Striations, Bead, Small and Large V, Small and Large Pencil.

UL 580 Wind Uplift (Class 90) / UL 1897 UL 2218 Class 4 Hail Impact UL 263 Fire Certification UL 790 Class A Fire Rating UL Environmental — SRI Third Party Verified Florida Building Code Approved

Warranty: 35-year warranty on Galvalume and aluminum substrates, 35-year non-prorated PVDF paint warranty, 25-year warranty on acrylic-coated substrate. Can be installed over plywood decking with approved underlayments.

DMC450 Profile
DMC450 panel profile diagram — 1½ inch seam height, 12, 16, 20 inch nominal widths

DMC200S

DMC200S structural mechanical seam panel

A 2" structural mechanical seam, roll-formed and field-seamed with a powered seamer over concealed floating clips. Performance-engineered for heavy-duty commercial and industrial roofs, and available as a single-lock, double-lock, or radius panel for barrel roofs and canopies.

Seam typeMechanically locked
Seam height2"
Standard panel widths12", 14", 16", 18" nominal
Minimum slope1/2:12
Load table (24 ga × 16")Allowable uniform load, deflection ratio L/180, spans 2.00–5.00 ft
Materials24 ga painted or acrylic-coated Galvalume; .032"/.040" painted aluminum; 16/20 oz copper; .7/.8 mm zinc
Ideal applicationCommercial, institutional & structural

Profile options: Single lock panel, double lock panel, radius panel (single or double lock) — this product can also be curved for large barrel roofs or small canopies.

Panel rib options: Flat Panel, Clip Relief — Small and Large V, Striations, Small and Large Pencil.

UL 580 Wind Uplift (Class 90) TAS 100 Wind Driven Rain TAS 126 Wind Uplift ASTM E1680 Air Infiltration UL 1897 Extended Phase Wind Uplift ASTM 2140 Static Pressure UL 2218 Class 4 Hail Impact UL 790 Class A Fire Rating Water Head Miami-Dade County Approved Florida Building Code Approved Texas Department of Insurance Approval UL Environmental — SRI Third Party Verified ASTM E1592 Uniform Static Air Pressure Uplift ASTM E1646 Water Infiltration UL 263 Fire Certification

Warranty: 35-year warranty on Galvalume and aluminum substrates, 35-year non-prorated PVDF paint warranty, 25-year warranty on acrylic-coated substrate. Can be installed over plywood, steel decking, and Polyiso with approved underlayment, or open framing.

DMC200S Profile
DMC200S panel profile diagram — 2 inch seam height, 12, 14, 16, 18 inch nominal widths

DMC150SS

DMC150SS curved mechanical seam panel

A 1½" mechanically seamed panel, field-seamed over concealed floating clips the same way as the DMC200S, but at a lower minimum slope and with a lighter seam height. Curves to a wide range of radiuses, from barrel roofs to conical shapes, while the floating clip system keeps the finish smooth despite thermal movement.

Seam typeMechanically locked
Seam height1½"
Standard panel widths12", 16", 20" nominal
Minimum slope1:12 — low roof pitch
Materials24 ga painted or acrylic-coated Galvalume; .032"/.040" painted aluminum; 16/20 oz copper; .7/.8 mm zinc
Ideal applicationCommercial & residential

Profile options: Single lock panel, double lock panel, radius panel (single or double lock).

Panel rib options: Flat Panel, Bead, Water Head, Clip Relief — Small and Large V, Striations, Small and Large Pencil.

UL 580 Wind Uplift (Class 90) TAS 125 Wind Uplift ASTM E1680 Air Infiltration ASTM E1886 Missile Impact ASTM E1592 Wind Uplift ASTM 2140 Static Pressure UL 1897 Extended Phase Wind Uplift Water Head UL 2218 Class 4 Hail Impact Miami-Dade County Approved UL 790 Class A Fire Rating Florida Building Code Approved UL Environmental — SRI Third Party Verified Texas Department of Insurance Approval ASTM E1646 Water Infiltration UL 263 Fire Certification

Warranty: 35-year warranty on Galvalume and aluminum substrates, 35-year non-prorated PVDF paint warranty, 25-year warranty on acrylic-coated substrate. Can be installed over steel decking with Polyiso, or plywood decking with approved underlayments.

DMC150SS Profile
DMC150SS panel profile diagram — 1½ inch seam height, 12, 16, 20 inch nominal widths
Finishes are available in a wide variety of coatings and colors — see the color chart for standard colors and paint specifications. Not seeing the gauge, material, or rib option you need? Contact your local SMS Metal representative.

Speccing a panel?

Send us the coverage width, gauge, and finish and we'll put together a quote.

Get a Quote