Can clapboard be restored on a New Brunswick home?

Yes, clapboard siding can absolutely be restored on a New Brunswick home — and on older NB homes with original wood clapboard, restoration is often worth pursuing before defaulting to replacement. The key is honestly assessing how much of the existing clapboard is structurally sound versus how much has been compromised by decades of Maritime weather.

NB's older housing stock — particularly in Saint John, Fredericton, Shediac, and the older neighbourhoods of Moncton — features original spruce, pine, or cedar clapboard that was installed with tight grain and old-growth wood quality you simply cannot buy today. That original wood, when properly maintained, outperforms modern replacement materials in durability and character. The tragedy is that most of it gets covered with vinyl siding during renovations rather than being assessed for restoration potential.

Assessing What You Have

Before committing to restoration, a thorough board-by-board inspection is essential. You're looking for soft spots (probe with a screwdriver — if it sinks in, the wood is rotten), cracked or split boards, boards that have pulled away from the wall, and any signs of moisture infiltration behind the clapboard. Rot typically concentrates at the bottom courses near the foundation, around window and door trim, and anywhere caulking has failed. In many NB homes, 20-40% of the clapboard may need replacement while the remaining 60-80% is perfectly restorable.

Individual clapboard replacement is straightforward — a skilled carpenter can splice in new boards to match the existing profile. Matching the profile matters: older NB homes often have non-standard clapboard widths and bevels that require custom milling or careful sourcing. Cedar is the best replacement match for longevity. New boards should be back-primed before installation, which most contractors skip and shouldn't — sealing all six sides of a replacement board dramatically extends its life in NB's wet climate.

The Restoration Process

A proper clapboard restoration involves scraping all failing paint down to a stable layer or bare wood, sanding rough transitions smooth, replacing damaged boards, re-nailing any loose courses with stainless steel or hot-dipped galvanized ring-shank nails (critical for coastal NB homes where standard fasteners corrode), recaulking all joints, trim intersections, and penetrations with a high-quality paintable siliconized caulk, and then priming and painting with a quality exterior latex system. On a typical NB home, expect this process to cost $8,000-$20,000 depending on the home's size, the extent of board replacement needed, and paint system chosen.

NB's climate makes the painting sequence critical. Oil-based primers penetrate weathered wood better than latex and are worth using as a first coat on bare or heavily weathered wood, even if the topcoats are latex. Two topcoats of a quality 100% acrylic exterior paint — applied in temperatures above 10°C and below 30°C, with no rain forecast for 48 hours — will give you 8-12 years of service before the next maintenance cycle. Avoid painting in direct summer sun on south and west-facing walls; the paint skins over before the solvents can escape properly.

Timing and Practical Considerations

In NB, exterior restoration work is best scheduled June through September, when temperatures and humidity are stable enough for proper paint adhesion and curing. Spring is too wet and unpredictable; October brings the risk of early frost affecting fresh paint. Budget a 15-20% contingency on any clapboard restoration — once you start pulling at damaged boards, hidden moisture damage behind the sheathing is a common discovery, particularly on homes from the 1950s-1970s where housewrap wasn't used.

Restoration is a job for an experienced exterior carpenter and painter working together — the carpentry and painting scopes need to be coordinated so boards are replaced, primed, and integrated into the paint system properly rather than patched as an afterthought.

Need help finding an experienced exterior renovation contractor in your area? New Brunswick Renovations can connect you with local professionals for free.