International One Up primer

International One Up primer
International One Up primer
  • 1-component primer/paint
  • For above the waterline
  • Easy to process

This product replaces Yacht Primer and Pre-Kote.

International One Up is a 1-component primer & undercoat for use on hulls above the waterline. The primer should be finished with a 1-component topcoat from International, such as International Super Gloss or International Toplac Plus. The primer is easy to apply with a brush or roller and is easy to sand. Suitable for use on polyester and steel boats.

Benefits of One Up primer

  • Excellent adhesion and protection.
  • Best-in-class system with International's finishes and deck paint in individual packs.
  • Easy to apply by brush or roller.
  • Easy to sand.


International One Up is suitable for use on hulls above the waterline on the following substrates:

  • Polyester (gelcoat)
  • Steel

For pre-treatment and instructions for use see the technical documentation of International One Up.

Product properties

Contents: 750 ml, 2.5 litres
Colour: white
Gloss: matt
Density: 1.43
Volume % solids: 48%
Shelf life: 2 years
VOC content: 256 g/ltr
Method of application: brush, wastfelt roller of velour roller
Minimum application temperature: 5°C
Recommended number of coats: 2 - 4 
Practical yield: 9 m2/L
Tack-free after: 3 hours (at 15°C)
Sandable after: 18 hours (at 15°C)

  • Minimum after: 18 hours (at 15°C)
  • Maximum after: 14 days (at 15°C)
For more information about International One Up, consult the technical documentation or the safety data sheet.

We have a number of recommendations for working safely with polymers. At Polyestershoppen you will not only find the polymers themselves, but you can also purchase all the protective equipment you need from us. If you have any doubts or questions, please contact our customer service. We can give you advice on how to work safely with polymers.

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