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

Possible causes

No thinning, wrong thinner or wrong amount of thinner
Wrong type of roll or brush (wrong bristle lenght)
Applying too much or too Little paint,
During painting process temperature was too high or the air was too dry,
Incorrect preparation of too porous surface,
Incorrect proportion of thinner.

How to prevent

Use a brush/Toller suited to the type of surface or paint,
Use thinner which is dedicated to the type of application and paints
Use thinning proportions which was indicated by manufacturer,
Paint in right atmosphere conditions indicated by manufacturer,

How to remove

Grind, clean and paint again.

We recommend to always sand the surface between applying two different products to ensure uniform surface roughness and adhesion of subsequent layers. The sanded surface should also be cleaned and degreased.

Yes, you can mix Sea-Line polyurethane paints. The only difference are the pigments of polyurethane paints that determine the color of the paint. But remember to keep the right proportions of base, hardener and thinner.