A guide to ongoing cleaning, inspection and recoat scheduling for cladding in New Zealand conditions, covering high-exposure coastal sites, moderate suburban exposure, and sheltered alpine and southern environments.

Read the full maintenance guide below or download a PDF copy for future reference.

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Recoat schedule by exposure

High exposure | coastal, north-facing Every 12–18 months

Moderate exposure | suburban Every 18–24 months

Sheltered | alpine, southern Every 24–36 months

Natural (clear) finish More frequent than pigmented

Timeframes are indicative only and will vary depending on timber species, exposure, colour selection, installation details and ongoing maintenance.

Signs re-oiling is required

Water no longer beads on surface Recoat due

Greying or silvering of timber Clean and recoat

Colour noticeably faded Assess and recoat

These are general indicators only. Use them alongside regular inspections and the guidance in the Maintenance Guide.

Maintenance process

Always refer to the relevant Technical Data Sheet and Application Guide before carrying out maintenance, as requirements may vary by product and application.

Step 1 Clean with WOCA Exterior Wood Cleaner

Step 2 Allow 24–48 hours to dry

Step 3 Apply one maintenance coat of WOCA Exterior Wood Oil

Step 4 Allow 24–48 hours curing time