Deck & Fence Staining

Deck and fence staining is essential preventive maintenance for New Brunswick homeowners. Untreated or neglected wood decks and fences in the Maritime climate deteriorate rapidly — NB's combination of heavy precipitation, high summer humidity, intense UV from long daylight hours in June and July, and punishing freeze-thaw cycles can turn a new pressure-treated deck grey and splintery within two seasons without proper protection. Professional staining goes well beyond slapping on a coat of stain. Preparation is critical and includes power washing to remove dirt, mildew, and degraded wood fibres; applying a wood brightener to restore the surface after cleaning; replacing any boards that show rot or structural weakness; sanding rough areas and raised grain; and ensuring the wood moisture content is below 15% before stain application — a step that NB's Maritime humidity can make challenging. The best time to stain a deck or fence in New Brunswick is late spring through early fall, with at least 48 hours of dry weather expected after application. Semi-transparent stains are the most popular choice for NB decks because they allow the wood grain to show through while providing UV and moisture protection — expect these to last 2-3 years in NB conditions before recoating is needed. Solid-colour stains provide more UV protection and hide imperfections but can peel if applied over old finishes or on moisture-compromised wood. Clear sealers offer minimal UV protection and require annual reapplication in NB's harsh climate. For a standard 200-300 square foot NB deck, professional staining including preparation runs $600 to $1,500. Larger decks and multi-level structures range from $1,500 to $3,000. Fence staining is typically priced per linear foot at $3 to $8 depending on fence height and condition. Cedar, pressure-treated pine, and composite materials each require different products and techniques — experienced NB deck professionals match the stain system to your specific wood species and exposure conditions. Regular staining every 2-3 years is significantly more cost-effective than replacing rotted boards and structural members that failed from lack of protection.

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