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Antifouling Sea-Line versus fouling

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Antifouling Sea-Line versus fouling

„I used Antifouling Sea-Line two seasons ago (in 2014). Before the beginning of the 2015 season, I painted the wooden rudder, ,,newly secured” with Le Tenkinios, a natural oil varnish, with Antifouling Sea-Line (in two layers). The remaining paint was used on the hulk and – to my surprise – I did not find any difference in the quality of  antifouling security compared to the one made the year before. Similarly surprised was the boatswain who every single day launches yachts at my marina. He stated that many yachts were covered with shells but he did not find anything at my Ka-Haar. Making preparations for wintering, I cleaned the whole yacht therefore in the pictures there are white damp patches visible, the remains of the gelcoat cleaner.


After the two seasons I can confidently say that:

Antifouling Sea-Line versus fouling at Zalew Szczeciński, the score is 2:0.

The third round „Antifouling Sea-Line versus fouling at Zalew Szczeciński” begins in just three months. My plan of the winter renovation works at the bottom includes securing minor mechanical damages, from the bottom and the rudder (max. 10 cm2), with antifouling paint. Instead of working hard at the renovation of antifouling surface, I will devote my winter evenings to reminiscing this year’s cruises.”

October 2015, text and pictures by Piotr6 (www.sailforum.pl)


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Our FAQ
Answers to frequently asked questions

Why are the streaks formed?

Possible causes

  • Wrong viscosity and spraying technique,
  • Failure to maintain proper evaporation time and thickness of layers,
  • Incorrect spraying pressure,
  • Too low temperature of varnish, surface or space ,
  • Wrong thinner or hardener.

How to prevent

  • Apply the right type of application method indicated by manufacturer,
  • Use working spray guns,
  • Both the object and material must have room temperature of 20ﹾC,
  • Apply correct proportion of base and hardener.

How to remove

  • Grinding and polishing,
  • Grinding and painting,

Why the resin does not harden?

Possible causes

  • Too low temperature of ambitne,
  • Incorrect proportion of base and herdener,
  • Mixing two components from two different manufacturers

How to prevent

  • Apply the correct proportions of components
  • Maintain steady temperature (around 20ﹾC) during whole hardening process,
  • Mix the products thoroughly and bleed the mixture.

How to remove

  • The uncured mass requires complete removal from the surface.

Why despite the use of antifouing paint the bottom of the boat is overgrown?

Possible causes

  • Too thin layer of antifouling paint,
  • Choosing the wrong antifouling to type of a boat or yacht
  • Thinning of antifouling paint,
  • Incorrect surface preparation before antifouling application.

How to prevent

  • Apply the right layer thickness of paint indicated by manufacturer,
  • Choose antifouling dedicated to type of boat or yacht and suitable for the type of water,
  • Do not thin antifouling because of the risk of reducing effectiveness,
  • Careful surface preparations (grinding, clearing, degreasing),

How to remove

  • Wet grinding, apply new layers of antifouling paint.
  • Use C1 shell and fouling remover.
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