How often should I re-stain my cedar deck here in Vancouver with all the rain we get?

In Metro Vancouver, cedar decks typically need re-staining every two to three years, though high-traffic areas like stairs and main walkways may need attention sooner. Our West Coast climate is uniquely demanding on exterior wood — the combination of heavy rainfall from October through April, mild temperatures that encourage mould and mildew growth, and occasional intense summer sun creates a cycle that breaks down stain faster than in drier regions.

You can check whether your deck needs re-staining with a simple water test: sprinkle some water on the surface, and if it soaks in rather than beading up, your stain has lost its protective qualities. Other signs include greying wood, visible mildew spots, or areas where the colour has faded unevenly.

To get the most life out of your stain in Vancouver's wet climate, proper preparation is essential. The deck should be power-washed and allowed to dry thoroughly — ideally during a dry stretch in late July or August — before new stain is applied. Skipping prep work or staining over damp wood is the most common reason stain fails prematurely here.

Semi-transparent stains tend to perform well on cedar decks in our climate because they allow the wood grain to breathe while still providing UV and moisture protection. For a typical 300-square-foot deck, expect to pay between $1,200 and $2,500 for professional cleaning and re-staining, depending on the condition of the wood and the product used.

Consider scheduling a professional deck inspection this spring to assess your stain's current condition before the summer staining season books up.

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