Metal Roof Repair

Metal roofs demand far less maintenance than shingles over their service life, but when a problem does show up, it's usually a specific, identifiable failure rather than the broad, gradual wear you'd expect from an aging shingle roof — which is exactly why metal roof repair calls for different expertise than general roofing work.

Common Metal Roof Problems

• Loose or failed seams. On standing seam roofs, the interlocking seams are what actually keeps the water out. A seam that wasn't crimped correctly at installation, or that's loosened over years of expansion and contraction, gives water a path in along the seam line.
• Fastener backout and gasket failure. Exposed-fastener panel systems rely on rubber washers under every screw. Those gaskets compress, crack, and shrink with age — typically starting around the 10 to 15 year mark — and each failed gasket becomes a potential leak point. This is the single most common repair on exposed-fastener metal roofs.
• Oil-canning. A wavy or rippled look across flat panel sections, usually cosmetic rather than structural, though sometimes a sign the panels weren't given enough allowance for thermal movement when installed.
• Rust and corrosion. More common on older galvanized steel, at cut edges where the protective coating has been compromised, or anywhere two dissimilar metals are in direct contact and driving galvanic corrosion. Caught early, individual affected panels can often be treated or swapped without a full re-roof.
• Punctures and impact damage. Hail, falling branches, or foot traffic from other trades working on the roof (satellite installers, HVAC techs) can dent or puncture panels, especially lighter-gauge material.

What Metal Roof Repair Costs

Metal roof repair typically runs $5 to $10 per square foot, higher than standard shingle repair given the material cost and specialized labor — sourcing a matching panel profile and finish, working safely on a smooth metal surface, and resealing seams or fasteners correctly without creating a new leak point in the process. A single seam or fastener fix on an otherwise sound roof is a modest job; a repair involving panel replacement or corrosion treatment over a larger area costs more, in line with a shingle repair of comparable scope.

Why It Matters Who You Hire

Metal roofing isn't installed or repaired the way asphalt shingles are, and a repair done by someone who doesn't regularly work with the material can create new problems — a seam resealed the wrong way, a fastener pattern that doesn't account for thermal expansion, or a patch that looks right at first but doesn't move with the panel the way it needs to over time. If your roof is metal, it's worth confirming upfront that your contractor actually works on metal roofing regularly, not just occasionally.

Repair vs. Replace

Most metal roof problems are genuinely repairable — a failed seam, a handful of backed-out fasteners, or an isolated rust spot don't call for replacing the entire roof, which is one of metal's real advantages over shingles. Replacement becomes the better conversation once corrosion has spread across multiple panels instead of staying isolated, once the structure underneath has been compromised by long-term water intrusion, or once the roof is old enough that sourcing matching panels for a clean repair isn't realistic. A simple guideline: if repairs are addressing new, isolated problems, keep repairing. If the same spots keep failing or damage keeps spreading despite repair work, that's usually a sign the roof itself — not just one section — is nearing the end of its service life.

Maintenance That Prevents Repairs

A yearly visual check catches most metal roof issues while they're still small and inexpensive to fix — loose fasteners, early gasket wear, debris buildup in valleys, and the first signs of rust before it spreads. Keeping the roof clear of leaves and branches matters more here than it does on shingles, since trapped debris holds moisture directly against the metal and speeds up corrosion right at the contact point. For exposed-fastener systems specifically, budgeting for gasket replacement around the 10 to 15 year mark — before they fail rather than after — is the single most effective way to avoid a leak from that cause altogether.