
Metal Roofing in Brunswick, Maine
Metal Roofing for Brunswick homes from a family-owned Portland company. An owner measures on site and writes a fixed-price proposal.
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Metal Roofing for Brunswick homes
Standing seam and metal shingle roofs suit many Brunswick properties: farmhouses and barns on the rural roads north of town, cottages on Mere Point and Bunganuc, and newer homes whose owners want a roof that sheds snow and lasts. Metal lets snow slide rather than pile, which reduces ice dams, but that snow has to land somewhere. Snow guards over entries, walkways, decks and parked cars are part of a proper design, not an add-on.
Near the bay, coating and fastener choice make the difference. Salt air is hard on bare steel, so painted panels with a quality finish, and aluminum on the most exposed shore lots, hold up better, along with fasteners and flashing that will not corrode against the panel. Standing seam uses concealed clips that let long panels expand and contract through Brunswick's freeze-thaw swings. Metal shingles give a lighter, textured look that can resemble slate or shake on older houses. On a building within the Village Review Overlay District, switching from shingles to metal is a visible change, so check with Planning and Codes before choosing it.

How a Standing-Seam Metal Roof Works
- Panels — long, factory-formed sheets running the full length of the slope
- Standing seam — the raised, interlocking joint between panels that keeps water from finding a way in
- Snow guard — holds a slab of snow on the roof instead of letting it release over an entry or walkway
- Eave edge — meltwater drains off cleanly here rather than backing up under the panels
- Held snow — releases gradually instead of sliding off in one sheet

Brunswick housing at a glance
Census estimates put Brunswick at roughly 9,500 housing units with a median year built of about 1982, so the typical house here is younger than in Portland but the range is wide. Close to one in five units dates from before 1940 and about 31 percent from before 1960, including the houses of the downtown and the Bowdoin neighborhoods. Another 16 percent or so went up between 1960 and 1979, and roughly 27 percent is from 2000 or later. About 71 percent of occupied homes are owner-occupied, and only about half of all units are single-family detached houses, which reflects the apartments, student housing and multi-unit buildings near the college and Maine Street. Seasonal homes are a small share, about 165 units. Expect clapboard Federal, Greek Revival and Colonial Revival houses in the historic districts, and vinyl-clad capes, ranches and colonials farther out.
Weather and exposure in Brunswick
Brunswick is coastal on its south side and inland on its north. Mere Point, Maquoit Bay and Middle Bay put houses in the path of salt air and wind off Casco Bay, while neighborhoods near the Androscoggin and out toward Durham feel more like an inland town. The Portland Jetport, the nearest long-record National Weather Service station, averaged about 69 inches of snow a year over the 1991 to 2020 normals, and Brunswick's own climate table shows roughly 51 inches of total precipitation. Winters swing above and below freezing many times, which works water into clapboard joints, cracked caulk and shingle edges. Nor'easters drive rain sideways into the east and north walls, and the shore points take the hardest wind.
Permits and design review in Brunswick
Building permits in Brunswick go through the Planning and Codes Office at Town Hall, 85 Union Street, on paper or through the online permit portal. Maine's building code moved to the 2021 International Residential Code on April 7, 2025. Much of the historic core lies in the Village Review Overlay District, where the Village Review Board issues a Certificate of Appropriateness for alterations; the town notes that replacing windows, facades and ornamentation with identical styles and materials is not subject to review, and staff can approve minor work not visible from a public way. Waterfront lots within 250 feet of tidal areas also fall under shoreland zoning.
Brunswick at a Glance
What the housing stock and local code enforcement mean for a siding, window, roofing or deck job here.
21,756
Population (ACS estimate)
Median year built: 1982
Mostly vinyl or fiber-cement siding and insulated replacement windows from recent decades.
State Building & Energy Code (MUBEC)
Enforced — population over 4,000
EPA Lead-Safe Rule (pre-1978 homes)
Applies to at least 31% of homes here
Historic District
Exterior work may need design review
Shoreland Zoning
Applies near the water
Permits
Planning & Codes Office, Town of Brunswick Dept. of Planning and Development
Codes & Permits for Metal Roofing in Brunswick
In Brunswick, exterior-work permits come from the Planning & Codes Office, Town of Brunswick Dept. of Planning and Development (85 Union Street, Brunswick, ME 04011, 207-725-6660). With 21,756 residents, over 4,000, Brunswick is required to enforce the Maine Uniform Building and Energy Code (MUBEC). The Federal Street and Pennellville Historic Districts hold National Register status; exterior work visible from the street in these areas draws extra scrutiny.
- Maine's adopted 2021 IRC (R905.10) requires metal roof panels to comply with Table R905.10.3(1)/(2) material standards (naturally corrosion-resistant materials or coatings), sets minimum slopes (3:12 for lapped non-soldered seams without sealant, 0.5:12 with sealant, 0.25:12 for standing-seam systems), and requires underlayment per R905.1.1 and manufacturer-specified corrosion-resistant fasteners. up.codes
- Snow-retention systems (snow guards/fences) on metal roofs are common practice in Maine to prevent sudden snow-slide off a slick metal roof onto walkways, decks, or neighboring property below — this is typically driven by local practice, insurer expectations, or a specific municipal/site condition rather than a numbered MUBEC/IRC mandate, so it should be presented to clients as a strongly recommended add-on rather than a code requirement, absent a specific local ordinance found stating otherwise. up.codes
- Maine's Shoreland Zoning Act creates a regulated shoreland zone extending 250 feet (horizontal distance) from the normal high-water line of any great pond, river, or coastal wetland, and 75 feet from certain streams; the Act's stated purposes include protecting buildings and land from flooding/erosion and controlling water pollution, and it governs deck and other structure setbacks and the expansion of nonconforming structures within that zone (specific setback/expansion rules are set at the municipal-ordinance level under the state's model guidelines). maine.gov
- By Maine law (25 M.R.S. §2373), 'the code must be enforced in a municipality that has more than 4,000 residents' (per the most recent federal census); municipalities at or below that population are not required to adopt/enforce MUBEC but may opt in locally, per the state's own program page: 'All municipalities with a population greater than 4,000 are required, by statute, to enforce the MUBEC. Municipalities with a population under 4,000 may choose to enforce the MUBEC.' mainelegislature.org
How Cardinal Exteriors Handles Metal Roofing in Brunswick
- Maine's code allows at most one existing layer before a full tear-off is required, so on a metal roofing job in Brunswick we check what's already up there before writing the proposal.
- Maine's ice barrier rule (R905.1.2) applies in areas with a history of ice damming, which covers Brunswick — the membrane runs from the eave to at least 24 inches inside the exterior wall line on every roof we do here.
- Because Brunswick has coastal, lake or river frontage, Maine's Mandatory Shoreland Zoning Act may apply to work close to the water, which can affect setbacks on a rebuild.
- Brunswick's population (21,756) puts it above the threshold where Maine law requires full MUBEC enforcement, so this job is inspected against that code as well as the local permit.
- We file for metal roofing permits at the Planning & Codes Office, Town of Brunswick Dept. of Planning and Development before work starts, not after.
A glimpse of one of the 19th-century sea captains' houses along Pennellville Road in Brunswick's Pennellville Historic District.
Street View © Google
What metal roofing involves
Metal roofs shed snow, shrug off wind, and outlast most other roofing. Standing seam panels run from eave to ridge with raised, concealed-fastener seams; metal shingle systems give a more traditional look. The site lists metal roofing systems among its roofing options. Because snow slides off metal in sheets, planning where it lands, over doors, walks, decks and lower roofs, is part of the design.
- Tear-off to the deck and repair, or preparation of the existing deck as the system requires.
- High-temperature underlayment and ice and water protection where needed.
- Panels or metal shingles installed with clips or fasteners that allow thermal movement.
- Trim, ridge, eave and valley flashings formed and installed.
- Snow guards placed where sliding snow would land on entries, decks or lower roofs.
Signs it is time
- You want the last roof you put on the house
- Heavy snow loads and ice dams on a low-pitch or shaded roof
- A camp, barn or outbuilding where low upkeep matters most
- Repeated shingle blow-offs in wind
What affects the price of metal roofing
- Standing seam versus metal shingle, and gauge and finish
- Roof area, pitch and number of penetrations
- Tear-off and deck preparation
- Snow guard layout
- Trim, valley and flashing detail
Every job is priced from a free on-site visit. Typical ranges for the trade are on our roofing page, and the details of this service are on the metal roofing overview.
For a deeper walkthrough of materials, code details and photos, see our full Metal Roofing: Standing Seam, Snow Shedding, and Panel Lifespan in Maine guide.
More in Brunswick and nearby
Back to the Brunswick exterior services overview, or see every town on our service areas page.
Other exterior work in Brunswick
- Deck Building in Brunswick
- Composite & PVC Decks in Brunswick
- Deck Replacement in Brunswick
- Siding Replacement in Brunswick
- Vinyl Siding Installation in Brunswick
- James Hardie Fiber Cement Siding in Brunswick
- Cedar Siding & Shingles in Brunswick
- Window Replacement in Brunswick
- Bay & Picture Windows in Brunswick
- Roof Replacement in Brunswick
- Asphalt Shingle Roofing in Brunswick
Get a free metal roofing estimate in Brunswick
Tell us about the house and what you want changed. One of the owners will call to set up a visit, measure, and write a fixed-price proposal. No pressure, no obligation.
Need it today?Call Mike (207) 408-5388
or Bob at (207) 252-0759
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