Standing Seam Metal Roof

What Is Standing Seam Metal Roof?

A standing seam metal roof is built from vertical panels running eave to ridge, joined at raised interlocking or mechanically seamed ribs, and fastened to the deck with concealed clips under the seam. The concealed fastening is the point: the panel face has no penetrations, and the clips let panels expand and contract with temperature — a large daily swing on Texas roofs — without elongating screw holes. That contrasts with exposed-fastener (screw-down) metal, which is cheaper but drives thousands of gasketed screws through the panel face; the gaskets weather and back out, creating a recurring maintenance obligation standing seam avoids. Panels are typically 24- or 26-gauge steel with Kynar-class (PVDF) finishes, or aluminum; service life commonly runs 40 to 60 years, far past asphalt. Hail typically dents metal without breaching it, which is exactly where carrier cosmetic-damage exclusions bite — a dented-but-watertight metal roof may be excluded from claim payment under such endorsements. Repairs demand a specialist, since panels interlock and cannot be swapped like shingles.

Important Distinction

Note: Standing seam is not the same as corrugated or R-panel screw-down metal: screw-down roofs put thousands of gasketed screws through the panel face that must be maintained; standing seam hides its fasteners in clips under the seam.

Also Known As

These are the search terms and phrases that commonly refer to this topic, so you can find it however you describe it.