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Marine 31 Gel Coat Final Step Polish

Marine 31 Gel Coat Final Step Polish

Our Price: $19.99
Item ID: M31-200
Availability: Usually ships the same business day
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Removes light oxidation and yellowing while creating a mirror-finish on your boat

Marine 31 Gel Coat Final Step Polish is the last step in restoring dull, yellowed, oxidized gel coat – standard and painted.  Advanced diminishing abrasives refine the gel coat after using a more aggressive polish or compound while nourishing oils penetrate deep into the surface, maximizing gloss, depth and clarity.  This creates the ultimate high-gloss finish before applying a boat wax or sealant.

Marine 31 Gel Coat Final Step Polish utilizes advanced diminishing abrasives that take little bites out of the gel coat, removing light oxidation, surface staining and other gloss-hindering imperfections.  Marine 31 Gel Coat Final Step Polish is the ideal polish to use on boats that are well maintained and simply require a light polishing before boating season begins.

No longer is it impossible to make standard gel coat shine like painted gel coat!  Marine 31 Gel Coat Final Step Polish is rich in nourishing oils that penetrate deep into the gel coat as you polish, maximizing gloss and providing a wet-looking finish.  What’s more, Marine 31 Gel Coat Final Step Polish is incredibly easy to apply and remove, even in direct sunlight!

Marine 31 Gel Coat Final Step Polish can be applied by hand, circular polisher or dual action orbital polisher. What's more, Marine 31 Gel Coat Final Step Polish is harbor safe and eco-friendly.


    Marine 31 Gel Coat Final Step Polish removes light oxidation while creating a mirror finish
  1. Shake well before using and ensure surface is cool to the touch.
  2. Apply an “X” of product directly onto polishing foam pad and spread product over a 2’ by 2’ area.
  3. Circular polisher:  Set speed between 600 and 1000 RPM.  Random Orbital polisher:  Set speed between 4000 and 5000 OPM.
  4. Practice a slow arm movement while applying medium pressure.  Work product until it starts to turn clear.
  5. Remove residue with a clean, dry microfiber towel. 

After polishing, apply a coat of Marine 31 Gel Coat Carnauba Wax + Sealant to lock in the shine and protect the finish.

16 oz.

Made in USA

Marine 31 products are harbor safe and eco friendly!

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Review Summary
3 Reviews
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67% Recommend this product (2 of 3 responses)
Fairly New Boat with New Boat Shine
My boat became dirty and had lots of black streaks after 11 days traveling the LI Sound. I cleaned with the gel coat wash and wax with carnauba than polished with the final step polish using Griots DA polisher with wool/foam hybrid pad and the boat looks showroom new. The ease at which the product goes on and off is amazing very simple to use by hand or machine. I used both methods of applying and removing with the same results.
ProsEase of use
Westbrook, CT
Great easy to use polish
I bought this for a used boat I recently purchased that has oxidation and swirl marks all over. I used two applications of this and it worked great on the swirl marks and light oxidation.
Pro Reflection !!!
Marine 31 Gel Coat Final Step Polish
Is the best marine finish polish i have used ! I detailed a 17 foot Boston whaler with light oxidation ... Used Flex 3401 dual action polisher with the blue hybrid pads. Only with two passes on my test spot I achieved mirror finish . It does have plenty of rich in oils that penetrated deep into the gel coat as I was polishing . Wiping is super easy with the microfiber towel and I will definitely recommend the Marine 31 final step polish to anybody who wants to save time and achieve a Superior mirror look on his gelcoat boat.