Mechanical Seam 150
Superior durability, and modern architectural performance.
Superior durability, and modern architectural performance.
Mechanical Seam 150 combines advanced standing seam engineering with mechanically seamed panel technology for increased protection against water intrusion and harsh weather conditions. Its precision-formed seams create a secure, watertight connection that enhances long-term roof performance and structural reliability. Designed for installation over solid decking, Mechanical Seam 150 is ideal for projects requiring modern aesthetics, superior moisture control, and dependable low-maintenance protection.
We provide Mechanical Seam 150 custom cut to the inch per specifications. Any length is available from 3′ up to 45′. Mechanical Seam 150’s design features 1.5″ high ribs, spaced 16″ on center. Thickness options include 26 and 24 gauge as standard.

16" Width (Coverage)
3'-40' (Cut to Inch)
26 Gauge - 0.92 Lb/Sq Ft
24 Gauge - 1.19 Lb/Sq Ft
Painted Mechanical Seam 150 carries a 50 year paint warranty and 30 year fade/chalk warranty. Unpainted Galvalume carries a 45 year warranty. The painted option is a baked on enamel paint over primer and Galvalume. The non-painted Galvalume option is 45% zinc and 55% aluminum with a clear acrylic overcoat.
Painted: 50 years
Galvalume: 45 years
25-67%
Hi-Reflective
Mechanical Seam 150 offers reliable structural integrity, reduced maintenance, and exceptional curb appeal for residential and commercial projects.
Mechanical Seam is designed for installation over solid decking and designed for use on slopes as low as 2:12.
Fixed clips allow for 40′ length, use floating clips for longer panels and end-lapping as needed.
2:12
Solid Deck
Florida Building Code (standard, HVHZ)
Residential
Commercial
Barn Wood (Premium Wood Print)
Corten Rust (Premium Wood Print)
Cypress Wood (Premium Wood Print)
Driftwood (Premium Wood Print)
Knot Wood Gray (Premium Wood Print)
Rosewood (Premium Wood Print)
Tiger Wood (Premium Wood Print)
Zebrano Gray (Premium Wood Print)
Galvalume
Barn Red (26ga)
Black (26ga)
Bright Red (26ga)
Bronze (26ga)
Brown (26ga)
Burgundy (26ga)
Charcoal (26ga)
Clay (26ga)
Copper Penny (26ga)
Gallery Blue (26ga)
Hawaiian Blue (26ga)
HD Barn Red (26ga)
Sierra Tan (26ga)
Stone (26ga)
HD Black (26ga)
HD Bronze (26ga)
HD Charcoal (26ga)
HD Green (26ga)
Light Gray (26ga)
Charcoal (24ga)
Dark Bronze (24ga)
Mansard Brown (24ga)
Matte Black (24ga)
Medium Bronze (24ga)
Patina Green (24ga)
Regal White (24ga)
Sandstone (24ga)
ULG Matte Black
ULG Matte Bronze
ULG Matte Pure WhitePrimarily PDF downloads, these resources provide general, installation, and testing data.
Painted Mechanical Seam 150 finishes are Hi-Reflective, reflecting 25-67% of the sun’s rays.
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