Rust remover for sails and other fabrics

  • Removes rust stain due to rusting deck equipment.
  • Dissolves and removes the build-up of limescale.
  • Cleans mould and algae stained surfaces.
  • Will not damage the surface.
  • Will not damage paintwork, varnish or woodstains in good condition.
  • Rinses with water.

Owasail is a cleaner for removing rust, mould and algae staining from sails and other fabrics. It will also remove limescale and clean mould and algae staining from gelcoats. It is easy to use and ready for applying straight out of the bottle.

Owasail removes rust stains that have formed due to rusting deck equipment and dissolves and removes the build-up of limescale. It also cleans mould and algae from stained surfaces. It is tough but gentle and will not damage paintwork, varnish or woodstains in good condition and simply rinses with water.

Note: Not suitable for use on aluminium surfaces.

Ideal uses for Owasail

  • For exterior use.
  • Safe for use on sails and boat covers.
  • Can also be used on fabrics, polyester, dirty and algae affected gelcoats.

Always read the Owasail Technical Data Sheet before using and follow the instructions carefully.

Surface Preparation

  • Cover everything you do not wish to treat.
  • Do not apply in direct sunlight or to hot surfaces.
  • Apply between 10°C (50°F) and 30°C (86°F).
  • If in prolonged contact Owasail can tarnish metal surfaces.
  • Use appropriate protective clothing; Gloves & Goggles.
  • Always test on a small inconspicuous area first.


  • Shake well before use.
  • Wet surface with fresh clean water.
  • Apply Owasail with brush or roller (Long Pile) Scrub surface, paying particular attention to the dirtiest areas.
  • Allow to work 15-20 minutes.
  • Rinse with plenty of fresh clean water while scrubbing.
  • Repeat procedure if required.

Clean Up



Store in the original container. Close lid tightly after use. Keep from freezing and high temperatures


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Tools:Brush, roller, sponge, stiff synthetic scrubbing brush
Suitable for:Exterior use
Clean up:Water
Working time:15 – 20 minutes
Dilution:Use as is
Suitable Surfaces:Sails, boat covers, fabric, polyester, gelcoats etc
Restrictions:Do not use on aluminium