WOCA Exterior Wood Primer 2.5 L
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Water-based primer for outdoor softwood and vulnerable timber.
WOCA Exterior Wood Primer improves adhesion and durability of WOCA Exterior Oil when applied to non-pressure-treated or highly absorbent softwood species such as pine, larch, spruce, oak, and older pressure-treated wood (except red cedar). Specially developed as a fast-drying, water-based primer, it penetrates deeply to strengthen timber, reduce cracking, and prepare the surface for long-lasting outdoor protection.
Key benefits:
- Improves adhesion and durability of WOCA Exterior Oil
- Reduces cracking and deterioration of wood
- Enhances moisture resistance
- Penetrates and protects vulnerable woods
- Water-based and fast drying
- Extends the lifetime of softwood surfaces
Suitable for:
- Non-pressure-treated or absorbent softwoods
- Fir, acacia, larch, pine, oak, spruce and older pressure-treated woods
- Outdoor structures such as fences, windows, facades, carports and siding
Not suitable for:
- Red cedar
- Pressure-treated hardwood (use WOCA Exterior Oil or WOCA Multi Protector directly)
Product details:
- Size: 2.5 L
- Colour: Natural
- Coverage: 8–15 m² per litre (depending on wood type)
- Cleaning of tools: Warm water
How to use:
- Clean surface with WOCA Exterior Wood Cleaner. Allow to dry completely.
- Ensure treatment is in dry weather, 15–30 °C, avoiding direct sun and heat.
- Shake container well.
- Apply undiluted with brush or roller, working evenly and thoroughly.
- Begin with end sections of the wood.
- Within 14 days, finish with WOCA Exterior Oil to complete the system.
Important notes:
- Always test on an inconspicuous spot before full application.
- Primer is a pre-treatment only, final protection requires WOCA Exterior Oil.
Why choose WOCA Exterior Wood Primer?
By strengthening and priming vulnerable softwoods before oiling, this water-based formula extends the lifetime of timber structures and ensures superior adhesion of WOCA Exterior Oil. The result is more durable, stable and weather-resistant outdoor wood.