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Roofingaka: standing seam metal roofaka: SSMRaka: snap-lock panelaka: structural standing seam

Standing Seam

In Plain English

A metal roof with raised vertical seams connecting the panels, with all fasteners hidden — durable and visually distinctive.

Definition

A metal roofing system where the panels are joined by raised vertical seams that stand above the flat roof surface, with concealed fasteners hidden within the seam joints. Standing seam metal roofing is used on both low-slope and steep-slope applications and is known for its durability (50+ year lifespan), watertight performance, and contemporary appearance. Common metals include steel, aluminum, copper, and zinc.

Example

The museum chose a Corten weathering steel standing seam roof for its 75-year lifespan and the distinctive patina that would complement the building's aesthetic.

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