Interspeed Extra Antifouling

International Interspeed Extra 0,75 ltr
International Interspeed Extra 2,5 ltr
International Interspeed Extra 0,75 ltr
International Interspeed Extra 2,5 ltr
  • Hard antifouling
  • For fresh + brackish/salty water
  • For all surfaces

International Interspeed Extra Antifouling keeps your boat's underwater hull free of fouling and algae for a year. International's hard antifouling is suitable for use on both fresh, brackish and salt water and is suitable for sailboats and motorboats. At you will find a wide range of products for varnishing and painting your boat. Do you have any questions about International Interspeed Extra Antifouling? Our specialists are at your service and will gladly help you.

Buy International Interspeed Extra Antifouling

Interspeed Extra Antifouling from International is easy to buy at This antifouling is suitable for all substrates such as polyester, epoxy, steel and aluminium and can be applied up to 6 months before launching. International's antifouling is available in 4 bright colours that will give your boat a beautiful look.

This hard antifouling has a valid permit for use in Dutch waters (approval number 14533 N, check

Benefits International Interspeed Extra Antifouling

  • Easy to process (1-component).
  • Suitable for polishing to obtain a smooth finish.
  • Suitable for all surfaces.
  • Can be applied up to 6 months before launching.

How to apply Interspeed Extra Antifouling

When applying this antifouling over an unknown antifouling, we recommend first using International Primocon to neutralise this layer. If the old layer is in a bad condition, we recommend removing it with a vacuum scraper. International Primocon is also suitable as a good primer before applying Interspeeds Extra antifouling.

This antifouling consists of 1 component and can therefore be applied without mixing. Check the technical documentation for any substrate pre-treatment. Apply Interspeed Extra Antifouling simply with a (furry)roller or brush. One coat per season is sufficient and apply an extra coat in areas of high turbulence, such as the bow, water-wind line, keel and rudder blade.

Tip: with the antifouling auxiliary materials pack you have all the materials you need!

Product properties

Packaging: 0.75 and 2.5 litres
Colour: navy, red, white, black
Consumption: approx. 10 m2/ltr per layer
Application: brush or roller
Shelf life: 2 years
VOC: 445 g/ltr
Tack-free: after 30 minutes (23°C)
Launching: after 8 hours (23°C)
Min. processing temperature: 5℃
Can be painted: after approx. 10-15 hours
Approval number: 14533 N

For more information on properties and processing, see the technical documentation.

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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