Metal roofing in Boston is almost never a whole-house conversation. It’s a conversation about one section — the flat rear porch on a triple-decker, the low-slope addition on a Jamaica Plain Victorian, the bay window roof on a South End brownstone that ices up every January. Boston’s dense housing and diverse architecture create specific roofing problems in specific places, and standing seam solves some of them better than anything else. The key word is some.
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Metal doesn’t forgive the way asphalt does. A misaligned panel or sloppy flashing detail on a brownstone bay window — that’s a callback waiting to happen. Here’s how we approach it.
Plan on 2–3x the price of a quality asphalt shingle roof for the same area. Most Boston metal projects are partial — a flat porch section, a low-slope addition, a bay window roof — so the total depends on how much area is involved. A single section might run $8,000–$15,000. A larger multi-section project on a three-family or brownstone can reach $40,000+. The economics change when you factor in that standing seam outlasts two full shingle replacements.
That’s one of the best applications we see in Boston. Flat and low-slope bay window roofs, porch roofs, and addition roofs are chronic problem spots — they hold standing water, ice dams form at the edges, and shingles on low pitches can’t shed moisture fast enough. Standing seam handles low slopes far better than asphalt and sheds snow before it dams up. This is exactly where metal earns its price.
Inside the house, it sounds no different from shingles. The “tin roof” reputation comes from barns and sheds with panels on open framing. A residential standing seam installation goes over solid sheathing, underlayment, and insulated living space — the sound doesn’t transfer. In Boston’s dense neighborhoods, this is a common concern and a non-issue with proper installation.
Yes — and that’s how we handle most Boston metal projects. The main roof stays asphalt shingle, and the problem section gets standing seam. The critical detail is the transition where the two systems meet. On Boston’s varied architecture, those transitions happen at odd angles where additions meet original construction, where porches attach to the main house, or where flat sections step down from the pitched roof.
Because every screw driven through the panel face relies on a rubber washer to seal it. Those washers dry out, crack, and fail within 10–15 years — turning every fastener into a leak point. On a Boston home where buildings are feet apart and water management matters, that failure mode is unacceptable. Standing seam panels lock together with no surface penetrations. That’s the only system we install on a residence.
Forty to fifty years or more with standard maintenance. Standing seam resists wind, hail, and fire better than asphalt, and it doesn’t develop the moss and algae buildup common on Boston’s shaded, densely packed lots. Maintenance is minimal — periodic inspection of flashing and sealant joints, but no granule loss, no curling, no replacement cycles.
CertainTeed Master Craftsman certified, Google Guaranteed, BBB Accredited A+, and NRCA Affiliated. Our primary certification is through CertainTeed for asphalt roofing, and we’re upfront that metal is a smaller part of our business. But the installation standards, project management, and flashing precision are the same on every job.
We provide complete roofing services (roof replacement and roof repair), metal roofing, siding, windows, and decks in Boston, MA.
