Gelcoat and metal renovator

OWAYELL removes yellow staining, limescale and rust spots from gelcoat, stainless steel etc. in minutes.


  • Removes yellow staining, mould, black stain and rust.
  • Brightens and whitens gelcoats.
  • Dissolves limescale, sea salt and water marks.
  • Cleans and renews anti-slip surfaces.
  • Disintegrates dirt caused by micro-organisms and barnacle/shell residue.
  • Removes streaks and rust traces. Passivates steel.
  • Restores shine to stainless steel (removes rust spots), anodised aluminium and chromes surfaces.
  • Easy to use and fast acting.

Where to use

  • Polyester/Gelcoat, Anodised Aluminium, Plexiglass, Glass, Stainless Steel...
  • Hull, Keel, Propeller Shaft...
  • Decks, Portholes, Pulpits, Stanchions, Cleats, Chocks, Rigging...
  • Masts, Spars...


  • Shake well before use.
  • Do not dilute.
  • Apply OWAYELL to the surface to be treated
  • Allow to work 5 to 10 minutes (20°C @ 50 % RH). No need to scrub surface.
  • Rinse with plenty of fresh clean water, working from top to bottom.
  • If required repeat process.
  • TIP: For surfaces heavily encrusted with limescale brush surface with nylon brush 10 minutes after applying first application. DO NOT rinse. Apply 2nd application and leave to work 5 to 10 minutes.
  • Rinse with plenty of fresh clean water.


  • Liquid sander to passivate raw steel and aluminium before painting.
  • Dilute 1 part OWAYELL to 5 parts water.
  • Apply to surface and leave to work 10 minutes.
  • Rinse off.
  • Dry and immediately apply finish.


  • Water


  • Do not use on galvanised metal or raw aluminium.


  • Application tools: Brush, Roller, Cloth

Watch the product video