What's the best way to maintain my home's exterior paint between full repaints here in Vancouver?

Regular maintenance between full repaints can extend your exterior paint job by several years, which is especially worthwhile given Vancouver's demanding climate. The most effective maintenance routine includes a few key tasks done annually.

First, wash your home's exterior once a year, ideally in spring after the wet season ends. A garden hose with a soft brush attachment works for most homes, or you can use a pressure washer on a gentle setting. This removes mould spores, algae, dirt, and pollutants that gradually break down paint films. Pay special attention to north-facing walls and areas shaded by trees, as these stay damp longest and are most prone to mould growth in our climate.

Second, do a thorough visual inspection every spring. Look for cracking, peeling, or bubbling — especially around windows, doors, trim, and any horizontal surfaces where water pools. Catching small failures early and doing targeted touch-ups prevents moisture from reaching bare wood and causing rot. Keep a small amount of your exterior paint on hand for these spot repairs.

Third, maintain your caulking. Check all exterior caulk joints around windows, doors, trim, and where different materials meet. Caulk that has cracked or pulled away lets moisture behind the paint film, which is the primary cause of paint failure in Vancouver. Re-caulking problem areas takes an afternoon and costs under $50 in materials.

Finally, keep vegetation trimmed back at least 30 centimetres from your siding. Plants trap moisture against walls and create ideal conditions for mould and premature paint breakdown.

For your next step, schedule a spring walkabout this May to inspect your exterior and tackle any small touch-ups before the summer sun accelerates existing damage.

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