Micro Spark 550 – overhaul

Yes, you can paint the bottom of the boat with polyurethane paint due to its high mechanical strength. We recommend this solution when the boat is not launched for a long time and is not exposed to fouling.

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,

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.