International One UP Undercoat Primer White – 750ml | 4Boats

One UP is a single‑pack white primer/undercoat for above‑waterline use with International One one‑pack finishes and deck paints.

• Pack size: 750ml (26.4 fl oz)
• Colour: White
• Number of coats: 2–4 coats of 100μm (WFT)
• Practical coverage: By brush/roller 9.0 m²/L (≈96.9 ft²/L)
• Application method: Brush and roller
• Thinner: YTA800 Thinner No.1 — thinning not usually required; up to 10% if needed
• Typical shelf life: 2 years
• Substrate compatibility: Suitable for all substrates

Easy to apply by brush or roller, One UP gives a smooth base that reduces sanding and speeds finishing. If thinned, allow additional coats to achieve the required film thickness.

One UP is a single‑pack white primer/undercoat for above‑waterline use with International One one‑pack finishes and deck paints.

• Pack size: 750ml (26.4 fl oz)
• Colour: White
• Number of coats: 2–4 coats of 100μm (WFT)
• Practical coverage: By brush/roller 9.0 m²/L (≈96.9 ft²/L)
• Application method: Brush and roller
• Thinner: YTA800 Thinner No.1 — thinning not usually required; up to 10% if needed
• Typical shelf life: 2 years
• Substrate compatibility: Suitable for all substrates

Easy to apply by brush or roller, One UP gives a smooth base that reduces sanding and speeds finishing. If thinned, allow additional coats to achieve the required film thickness.