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Marine Polytrol

Color restorer for dull or faded surfaces including gelcoats

from 21 reviews
Marine Polytrol 1L Gelcoat Restorer
  • Restores the color and appearance of dull and faded surfaces caused by exposure to sunlight, rain and pollution
  • Deep penetrating oil that restores the original look and finish to gelcoat, plastic, metal and other surfaces
  • Protects against corrosion and blemishes
  • On bare metals Marine Polytrol restores the shine and protects against corrosion
  • Suitable for use on fiberglass (GRP)

Marine Polytrol is a deep penetrating oil which restores the original color and appearance of dull or tarnished plastics, gelcoats, metals and other surfaces. It penetrates the surface, re-wetting the pigments to restore their luster and color which has been lost through exposure to sunlight, rain and pollution and it also gives corrosion protection.  When used on tarnished metals, it brings back the shine and gives long-term protection against corrosion.

Simple to apply using a cloth or soft brush, it’s ready to wipe off in just 10 minutes! It can be used on both horizontal and vertical surfaces and can even be used on fiberglass (GRP). Marine Polytrol dries to a tough and long-lasting flexible finish which does not leave a film – so it won’t peel or flake.

Ideal Uses for Marine Polytrol Gelcoat Restorer

  • Reviving the gelcoat on your boat
  • Restoring the shine to metal fixtures
  • Rejuvenating flat or chalky paint dulled by weathering
  • Brightening the surface of tiles in stone, terracota, marble, slate, etc.
  • Reviving the color of faded GRP surfaces

Restrictions

DO NOT use Marine Polytrol on white surfaces, it will not work as it is designed to restore pigments.

Surface Preparation

All surfaces must be clean, dry and free of dirt, grease, grime and mildew. All waxes, polishes, silicone etc. should be completely and thoroughly removed. Treat any mildew with a 50:50 bleach and water solution. Scrub the solution on to the surface and allow it to stand for 10-15 minutes then rinse thoroughly.

Using Marine Polytrol on plastic, gelcoat, tiles, painted surfaces etc.

Clean the surface with warm soapy water or Deck Cleaner, rinse thoroughly and allow it to dry for a minimum of 24 hours depending on the surface.

Using Marine Polytrol on stone, brick, etc.

Clean the surface with Deck Cleaner, rinse thoroughly and allow it to dry for a minimum of 24 hours depending on the surface.

Using Marine Polytrol on metal

Clean the surface with warm soapy water and rinse thoroughly or use an appropriate solvent (follow manufacturer’s instructions). Leave the surface to dry for a minimum of 24 hours.

Application of Marine Polytrol Color Restorer

General directions

Always work in areas that can be completed 10-20 minutes to ensure an even appearance. If the surface absorbs the Marine Polytrol unevenly (i.e. some matte and some shiny patches) move any surplus oil from shiny areas to matte areas. Wipe off any excess Marine Polytrol with a lint-free cloth before it becomes tacky. For a shinier finish, buff the surface with a lint-free polishing cloth.

Applying Marine Polytrol to plastic, gelcoat, tiles, painted surfaces etc.

Apply Marine Polytrol liberally and evenly with a brush or cloth. Allow it to work for 10-20 minutes. Wipe off any excess with a clean lint-free cloth. Leave it to dry.

Applying Marine Polytrol to stone, brick, etc.

Apply Marine Polytrol liberally and evenly with a brush or cloth and leave it to work for 10-20 minutes. Brush out or wipe off any excess Marine Polytrol with a clean lint-free cloth. Leave it to dry.

Applying Marine Polytrol to metal

Apply Marine Polytrol using fine wire wool (000 grade) soaked in Marine Polytrol and allow it to work for 10-20 minutes. Wipe off any excess Marine Polytrol with a clean lint-free cloth. Leave to dry.

Note: Marine Polytrol is not a surface coating. Its place is in the surface, not on top.

Maintenance

Maintenance is due when a Marine Polytrol treated surface shows signs of fading. Prepare and re-treat surfaces as directed above.

Clean Up

Clean any tools used with white spirit. Marine Polytrol is non-flammable, however, any rags, steel wool etc. soaked in Marine Polytrol may spontaneously catch fire if improperly discarded. Rags, steel wool etc must be saturated with water after use or placed in a sealed, water-filled metal container, before disposing of them with household waste. Rags may be laid flat and air-dried before discarding.

Things to Remember

  • Cover and protect everything you do not wish to treat.
  • Apply between +5°C and +35°C.
  • Do not apply in direct sunlight or on to hot surfaces.
  • Do not allow excess Marine Polytrol to dry and create a film on the surface (always remove excess product).
  • Do not use Marine Polytrol on white surfaces.

21 reviews for Marine Polytrol

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  1. Avatar

    David A

    The Owatrol Gelcoat Restorer brought back the dark blue gelcoat on my 2006 Yamaha SX230. Its been over two months since we applied one treatment and it still looks new. Great product.

  2. Avatar

    Michael

    Love this product. I was not expecting this but I am so pleased with the results, was a little prep work on getting oxidation removed, but the results I am very pleased.

  3. Avatar

    Don Verified Owner

    I needed to restore the look of a fiberglass observatory dome. I tried cleaners, polishers, waxes, etc., but these did not work.
    So I tried this product (Marine Polytrol) and the dome (which is green) is back to an excellent-looking condition.

  4. Avatar

    A Customer

    This product does everything they say it does! After wet sanding, this brushed on and buffed out, completely changed the look of the boat! I wish I could add before/after pictures. I would buy again!

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    A customer

    Fantastic. This is the best thing to use for your wood platform on your boat

  6. Avatar

    Emily Goergen

    Perfect! Incredible product.

  7. Avatar

    David Meiklem Verified Owner

    I researched products extensively and decided to try the Polytrol. I have a 2000 Aquasport with a navy blue hull that looked very bad, faded, scratched and dull. I washed the hull first with soap and water, then sanded it completely with 600 grit wet /dry paper and rinsed with clean water. After it dried totally I cut a foam sponge in two and applied the Polytrol with fairly short strokes and did not leave much excess. It was absorbed and dried with a beautiful shine and a rich deep color. The scratches disappeared and it looks like new. I have only used the boat once since the application and after rinsing the boat down the look is still good. I may apply another coat in a few weeks, but I think I really like this stuff.

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    Happy Customer

    Been using this on my boat teak for 40 yrs. great stuff.

  9. Avatar

    Thankful customer

    Great! Worked better than expected.

  10. Avatar

    Bruce Beger

    A small amount goes far. Easy to use and works.

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This coverage indication is only a guide and actual coverage is dependent on surface type, age, porosity etc.
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Coverage: 18m2 (194 ft²) per liter
Tools: Soft brush or rag, fine wire wool for metal
Suitable for: Exterior & Interior use
Clean up: White Spirits
Drying Time: 10-20 mins (leave for 24 hours before use)
Restrictions: Marine Polytrol restores pigments so cannot be used on white surfaces
Suitable Surfaces: Plastics, gelcoats, GRP (fiberglass), metal, painted or varnished surfaces, stone, tiles, bricks, metals & more