
Asphalt Shingle Roofing in Falmouth, Maine
Asphalt Shingle Roofing for Falmouth homes from a family-owned Portland company. An owner measures on site and writes a fixed-price proposal.
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Asphalt Shingle Roofing for Falmouth homes
Architectural asphalt shingles are the default on most of Falmouth's subdivision homes, and for good reason: they cost less than metal or cedar, come in colors that suit colonials and capes, and carry wind ratings suited to houses on an open shore. The dimensional look also hides the slight waves of an older roof deck better than flat three-tab shingles did.
In this climate the underlayment matters as much as the shingles. The 2021 residential code that Falmouth enforces calls for an ice barrier membrane at the eaves wherever ice damming along the eaves is a known problem, which describes most of southern Maine, and good practice extends it into valleys and around chimneys and skylights. Starter strips at the eaves and rakes, drip edge, and sealed nailing to the manufacturer's pattern keep the first courses from lifting in a Casco Bay gale. On wooded lots in West Falmouth and around Highland Lake, algae-resistant shingles help against the dark streaks that shade and moisture cause. When the house is on its first or second roof, an asphalt tear-off is usually the most cost-effective way to reset the clock for another few decades.

How an Asphalt Shingle Roof System Works
- Roof deck — plywood or OSB sheathing the whole system is fastened to
- Ice-and-water shield — a self-sealing membrane at the eave, the spot most likely to see an ice dam
- Synthetic underlayment — a water-resistant layer under the shingles across the rest of the field
- Shingles — the visible, weather-facing layer, lapped to shed water down the slope
- Ridge vent — exhausts warm, moist attic air while a soffit vent below draws in fresh air

Falmouth housing at a glance
Census estimates for 2020 to 2024 count about 5,300 housing units in Falmouth, with a median year built of 1986. Roughly 14 percent went up before 1940, about 16 percent between 1960 and 1979, about 31 percent in the 1980s and 1990s, and about 27 percent in 2000 or later. Around 84 percent of occupied homes are lived in by their owners, and about 81 percent of all units are single-family detached houses; the town's 2024 comprehensive plan notes that fewer than 10 percent sit in buildings of three or more units. An older layer runs underneath the subdivisions: a 1992 to 1993 survey recorded 985 buildings from before 1945, including farms, schools and summer homes in colonial, Federal, Greek Revival, Italianate and Romanesque styles. About 190 units are held for seasonal use.
Weather and exposure in Falmouth
Falmouth has no weather station of its own; the nearest long-term record is Portland International Jetport, a few miles away, where snowfall averages about 69 inches a year and February nights average around 17 degrees under the 1991 to 2020 normals. The coldest reading on that record is 39 below zero, in February 1943. Along Falmouth Foreside, houses face open water on Casco Bay and take the brunt of northeast storms, wind-driven rain and salt carried off the bay. Inland toward West Falmouth and Highland Lake the salt load drops, but tree cover, lake humidity and long stretches of freezing and thawing work on roofs, trim and deck boards instead.
Permits and design review in Falmouth
Permits come from the Community Development Code Enforcement Division at 271 Falmouth Road. The town enforces the Maine Uniform Building and Energy Code, which means the 2021 International Residential, Building, Existing Building and Energy Conservation Codes. Its permit guidance says work that alters or repairs a structure needs a building permit, and it specifically requires one for replacement windows so egress can be checked. Painting and similar finish work is exempt; roofing, siding and decks are not on the exempt list. Shoreland zoning covers land within 250 feet of Casco Bay, the Presumpscot River, Highland Lake and qualifying wetlands, and within 100 feet of designated streams.
Falmouth at a Glance
What the housing stock and local code enforcement mean for a siding, window, roofing or deck job here.
12,444
Population (ACS estimate)
Median year built: 1986
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 26% of homes here
Shoreland Zoning
Applies near the water
Permits
Falmouth Code Enforcement Division
Codes & Permits for Asphalt Shingle Roofing in Falmouth
In Falmouth, exterior-work permits come from the Falmouth Code Enforcement Division (271 Falmouth Road, Falmouth, ME 04105, 207-699-5310). With 12,444 residents, over 4,000, Falmouth is required to enforce the Maine Uniform Building and Energy Code (MUBEC).
- Maine's adopted 2021 IRC ice-barrier rule (R905.1.2) specifically names asphalt shingles among the roof coverings requiring an ice barrier extending from the lowest roof edge to at least 24 inches inside the exterior wall line (36 inches along the slope on roofs 8:12 or steeper), using two cemented underlayment layers or a self-adhering polymer-modified bitumen sheet. up.codes
- Reroofing over existing asphalt shingles in Maine is capped at one existing layer before a full tear-off is required, per R908.3. 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 Asphalt Shingle Roofing in Falmouth
- Maine's code allows at most one existing layer before a full tear-off is required, so on an architectural asphalt shingle roofing job in Falmouth we check what's already up there before writing the proposal.
- We install ice barrier membrane from the eave at least 24 inches inside the wall line on every Falmouth roof, per Maine's adopted ice-damming rule.
- Falmouth's shoreline, lake or river frontage falls under Maine's Mandatory Shoreland Zoning Act, so we check setback rules before work starts near the water.
- Falmouth's population (12,444) 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 architectural asphalt shingle roofing permits at the Falmouth Code Enforcement Division before work starts, not after.
An open farm field along Howard's End Drive in Falmouth.
Street View © Google
What architectural asphalt shingle roofing involves
Architectural (dimensional) asphalt shingles are the most common roof in Maine for good reason: they are affordable, they come in many colors and textures, and a good system handles snow, ice and wind well. Several projects on this site used CertainTeed Landmark shingles. What separates a long-lived shingle roof from a short-lived one is mostly underneath: ice and water protection at the eaves, correct nailing, and balanced ventilation.
- Tear-off to the deck and sheathing repair where needed.
- Ice and water shield at eaves, valleys and around penetrations; underlayment over the rest.
- Starter strip and drip edge at the edges, then shingles nailed in the manufacturer's nail zone.
- Step flashing at walls, new pipe boots, and chimney flashing as needed.
- Hip and ridge caps over a ridge vent, balanced with intake at the soffits.
Signs it is time
- Granules washing into the gutters and bald patches on the shingles
- Shingles that curl, cup, or lift in wind
- Leaks around chimneys, vents or skylights
- Moss or dark streaking on shaded slopes
What affects the price of architectural asphalt shingle roofing
- Roof area and pitch
- Shingle line and color
- Layers to tear off and deck repairs
- Flashing and ventilation work
- Number of valleys, dormers and penetrations
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 architectural asphalt shingle roofing overview.
For a deeper walkthrough of materials, code details and photos, see our full Asphalt Shingle Roofing: Underlayment, Shingle Types, and What Voids a Warranty guide.
More in Falmouth and nearby
Back to the Falmouth exterior services overview, or see every town on our service areas page.
Other exterior work in Falmouth
- Metal Roofing in Falmouth
- Deck Building in Falmouth
- Composite & PVC Decks in Falmouth
- Deck Replacement in Falmouth
- Siding Replacement in Falmouth
- Vinyl Siding Installation in Falmouth
- James Hardie Fiber Cement Siding in Falmouth
- Cedar Siding & Shingles in Falmouth
- Window Replacement in Falmouth
- Bay & Picture Windows in Falmouth
- Roof Replacement in Falmouth
Get a free architectural asphalt shingle roofing estimate in Falmouth
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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