What's the average price to sand and restain a 350 square foot cedar deck in Vancouver?

Sanding and restaining a 350 square foot cedar deck in Metro Vancouver typically costs $1,050-$2,450 professionally, or $350-$700 if you tackle it yourself. The wide price range depends on the deck's current condition, accessibility, and whether you choose basic penetrating stain or premium products.

Professional restoration breaks down to $3-$7 per square foot for the complete process. A deck in good condition needing light sanding and fresh stain sits at the lower end, while a heavily weathered, grey, or mould-stained deck requiring aggressive sanding, brightening, and multiple stain coats hits the higher range. Most Vancouver contractors quote around $4-$5 per square foot for standard cedar deck restoration.

The process involves several critical steps that affect pricing. Power washing removes surface dirt and mildew but won't eliminate grey weathering or deep stains — that requires sanding. Sanding with 60-80 grit paper removes the weathered surface layer and opens the wood grain for proper stain penetration. Deck brightening with oxalic acid neutralizes tannin stains and restores cedar's natural colour before staining. Two coats of quality penetrating stain provide the best protection in Vancouver's wet climate.

Metro Vancouver's marine climate makes annual deck maintenance essential — not optional. Cedar decks that go more than 2-3 years without staining in our 1,200mm+ annual rainfall develop surface checking, mould growth, and grey weathering that requires more aggressive (expensive) restoration. North-facing decks and those under heavy tree cover deteriorate faster due to limited UV exposure and constant dampness.

DIY costs include materials only: deck cleaner ($25-$40), sandpaper or sanding discs ($50-$100), wood brightener ($30-$50), and quality penetrating stain ($150-$300 for 350 sq ft coverage). Rent a palm sander ($40/day) and pressure washer ($60/day) if you don't own them. The labour is significant — expect 2-3 full days for proper preparation and application.

Professional restoration offers several advantages beyond time savings. Experienced contractors know which products perform best in Vancouver's climate — penetrating semi-transparent stains consistently outperform solid stains here because they don't trap moisture that causes peeling. They have commercial-grade sanders that work faster and more evenly than consumer tools. Most importantly, they understand proper surface preparation — inadequate sanding and cleaning causes premature stain failure within 6-12 months.

Timing matters significantly in Metro Vancouver. Schedule restoration for late spring through early fall when you can guarantee 48-72 hours of dry weather for proper curing. Staining in Vancouver's rainy season (October-March) often results in poor adhesion and early failure. Many contractors book restoration projects months in advance for optimal weather windows.

Additional factors affecting cost include deck accessibility — ground-level decks cost less than elevated decks requiring scaffolding or safety equipment. Railings add 20-30% to the project because of the detailed sanding and brushwork required. Severely weathered decks may need two rounds of sanding and brightening before staining, pushing costs toward the higher end of the range.

When to hire a professional: If your deck hasn't been maintained in 3+ years, shows extensive grey weathering, has mould or mildew staining, or includes complex railings and built-in features. The surface preparation is labour-intensive and technique-sensitive — poor prep work wastes money on stain that won't adhere properly.

For a quality restoration that extends your cedar deck's life by 2-3 years in Vancouver's challenging climate, budget $1,400-$1,750 for professional work on a 350 sq ft deck. It's a worthwhile investment that protects your larger deck investment and maintains your outdoor living space.

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