North Deering, Portland farmhouse with AZEK composite decking by Cardinal Exteriors

Composite & PVC Decks in Naples, Maine

Composite & PVC Decks for Naples homes from a family-owned Portland company. An owner measures on site and writes a fixed-price proposal.

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Composite & PVC Decks for Naples homes

Composite and PVC decking fits the way many Naples properties are used. A seasonal cottage that is open from late spring to early fall leaves little time for sanding and staining, and capped composite boards need only an occasional wash. On shaded lots under pines, where needles and damp keep wood surfaces wet for days after rain, capped boards resist the mildew, rot and splintering that shorten the life of unprotected wood and make bare feet coming up from the beach less of a gamble.

Freeze-thaw cycles are hard on fasteners and board ends, and composite boards expand and contract with temperature more than wood does, so gapping and hidden fastener systems must follow the manufacturer's instructions for a place that swings from summer heat to deep cold. Lighter colors stay cooler underfoot on sun-facing lakefront decks in July. PVC boards, which contain no wood fiber, suit decks close to the water or low to the ground where they rarely dry out. The framing underneath still does the structural work, so pressure-treated joists and beams should be protected with joist tape along the top edge, spaced for the board chosen, and set on footings built to the same code as any other deck.

Composite deck furnished as an outdoor living space backing onto woods

How a Deck Structure Is Built

  1. Footing — poured below Maine’s frost line so winter heaving cannot move it
  2. Post — carries the beam load down to the footing
  3. Beam — spans between posts and carries the outer ends of the joists
  4. Ledger — bolted to the house framing, with flashing that diverts water away from the wall
  5. Joists — span from the ledger to the beam, sized and spaced to the decking and the load
  6. Decking — the walking surface, fastened on top with spacing for drainage
New backyard deck built off the rear of a New England-style home

Naples housing at a glance

Census estimates count about 3,360 housing units in Naples, with a median year built of 1988, which makes the stock younger than much of Cumberland County. Only about 4 percent predate 1940 and roughly 15 percent predate 1960. About 20 percent went up between 1960 and 1979, about a third between 1980 and 1999, and about 32 percent in 2000 or later. That matches the town's own history: population grew 91 percent between 1970 and 1980 as Naples became a bedroom community for Greater Portland, and new home approvals climbed again from 2021 to 2023. Roughly 81 percent of units are single-family detached, and about 88 percent of occupied homes are owner-occupied. Around 1,280 units are held for seasonal use, many of them along Long Lake, Brandy Pond and the Sebago shore. A few Federal-period farmhouses, such as the 1796 Manor House on Route 302, survive among them.

Permits and design review in Naples

Permits go through the Naples Planning, Code Enforcement and Building Inspections office at 15 Village Green Lane, open Monday through Thursday, with a minimum fee of $50 per permit. The town requires permits for new buildings and structural alterations, and says its list is not exhaustive, so plan on a permit for any new or replacement deck and check with the office before re-siding or re-roofing. Land within 250 feet of a great pond or river falls under Maine shoreland zoning, and Naples uses a separate Shoreland Zoning building permit application. There is no local historic district; the 2026 comprehensive plan recommends drafting design guidelines for the Village District.

Weather and exposure in Naples

Naples is lake country about 30 miles inland, so the weather that wears on houses is snow, cold and wind off open water rather than salt. The National Weather Service station in nearby Gray records about 84 inches of snow in a normal year, with roughly 20 inches in each of January and February, and January nights there average about 14 degrees. Snow that sits on roofs through repeated thaws is what feeds ice dams. Houses facing Long Lake, Brandy Pond or the north end of Sebago take wind that builds across the water, and Sebago itself freezes over completely only every few winters, so that exposure stays open late. Wooded lots back from the shore stay shaded and damp, which slows drying on north walls and deck boards.

Naples at a Glance

What the housing stock and local code enforcement mean for a siding, window, roofing or deck job here.

3,985

Population (ACS estimate)

Median year built: 1988

Homes built before 19404%

Mostly vinyl or fiber-cement siding and insulated replacement windows from recent decades.

State Building & Energy Code (MUBEC)

Local option — population under 4,000

EPA Lead-Safe Rule (pre-1978 homes)

Applies to at least 15% of homes here

Shoreland Zoning

Applies near the water

Permits

Naples Code Enforcement / Planning and Code Department

Codes & Permits for Composite Decks in Naples

In Naples, exterior-work permits come from the Naples Code Enforcement / Planning and Code Department (15 Village Green Lane, PO Box 1757, Naples, ME 04055, (207) 693-6364). Naples sits at or under the 4,000-resident line where MUBEC enforcement is a local option rather than a state mandate.

  • Maine's adopted 2021 IRC (R507.2.2) requires plastic composite deck boards, stair treads, guards, and handrails to comply with ASTM D7032, and (R507.2.2.1) to be labeled with the allowable load and maximum allowable span determined under ASTM D7032 — meaning composite span limits come from the product's own ASTM D7032 listing/manufacturer data rather than the standard wood joist-span tables, and are often shorter, requiring closer joist spacing than an equivalent wood board. up.codes
  • Composite decking installation must follow both the code and the manufacturer's instructions (R507.2.2.5), so a given product's specific fastening pattern and joist spacing should be pulled from its ICC-ES evaluation report or manufacturer install guide, not assumed from a generic wood-deck spec. 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 Composite Decks in Naples

  • Every ledger we attach for a composite and PVC decks job in Naples is flashed to Maine's adopted deck code, with corrosion-resistant metal or an approved nonmetallic alternative, not a bare lag bolt into siding.
  • We set every Naples deck's footings below frost depth and size them to the actual load, following Maine's adopted residential code rather than a rule of thumb.
  • Naples'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.
  • With 3,985 residents, Naples falls below the threshold for mandatory statewide code enforcement, but that doesn't change the permit and inspection Cardinal builds to on every job here.
  • Anything that needs a permit for composite and PVC decks goes through the Naples Code Enforcement / Planning and Code Department.
Naples, ME
Boat storage along State Park Road in Naples, near the historic Songo Lock and the entrance to Sebago Lake State Park.
Street View © Google

What composite and PVC decks involves

Composite and PVC decking do not need staining, do not splinter, and resist rot, which is why they have become the default for new decks in Maine. Composite boards blend wood fiber and plastic under a protective cap; PVC boards are all synthetic and lighter. The North Deering farmhouse on this site got a rebuilt deck with AZEK composite decking. The framing underneath is still wood, so it is built to last as long as the boards on top.

  • Layout, size and board color are chosen with the owner at the estimate visit.
  • Footings and framing are built to code, with joist spacing that suits the board manufacturer's span rules.
  • Joist tape or flashing protects the tops of joists and the ledger.
  • Boards go down with hidden fasteners or color-matched screws and the expansion gaps the product requires.
  • Matching railings, stair treads, fascia and landings finish the deck.

Signs it is time

  • You are done staining and sealing a wood deck every year or two
  • The deck is in shade or near water where wood stays damp
  • You want a deck that stays barefoot-friendly with no splinters

What affects the price of composite and PVC decks

  • Composite versus PVC, and the product line
  • Deck size, height and shape
  • Railing system and stairs
  • Hidden-fastener versus face-screw installation
  • Footing and framing conditions

Every job is priced from a free on-site visit. Typical ranges for the trade are on our deck building page, and the details of this service are on the composite and PVC decks overview.

For a deeper walkthrough of materials, code details and photos, see our full Composite & PVC Decks: What Changes From Pressure-Treated Lumber guide.

Get a free composite and PVC decks estimate in Naples

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