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Your cart is empty.Discover the superior craftsmanship of Feldten Marine Gelcoat Sealer, where the precision of science meets the mastery of maritime care. Our popular boat polish offers cutting edge nano-technological treatment of all gelcoat surfaces above the water line that effectively combines cleaning, polishing and sealing in the same working process to save you time and maintenance costs. Very easy to apply after first treatment with no need for any additional treatments. Any future maintenance treatments to strengthen the seal and shine do not require your prior coating to be removed. Designed to combat oxidation and shield against future corrosion, our sealer preserves your boat’s integrity and reduces depreciation. Use on fiberglass and gelcoat surfaces to create a professional protective layer and glossy shine. Just one 250 mL bottle can be used to seal a boat up to 25-feet in length, providing you with plenty of value per bottle. The working of nano particles bond with the surface and adjust themselves to form a homogeneous coating after application. Impurities and liquids can’t infiltrate into the surface or fibres any longer as surface tension increases and full anti adhesive characteristics nature. It follows the individual structure of the threaded surface creating an in-depth, hydro-phobic (water-repelling) & olio-phobic (oil-repelling) surface. We advise applying two coats a year to get the best benefit out of the sealer. You can pressure clean the surfaces as mechanical wear is almost nonexistence. Apply a coat before laying her up for the winter, its frost resistant. And one layer when you prepare her for a summer of fun giving her the optimal protection. Ensure the surface is dry, clean and oil free before applying.
gary s.
Reviewed in the United States on May 29, 2024
Sucks. Does nothing. If anything it’s worse.
John B
Reviewed in the United States on July 16, 2023
I tried out this product to remove oxidation and bring back the shine of my 21 year old Malibu. The frustration with other products is that you put in so much elbow grease with little result. This product works first time with little effort. Highly recommended. I am buying another bottle for sure....
Jorge
Reviewed in the United States on August 27, 2021
I recommend this product it’s extremely good and at work are use it on my boat 2005 Like you can see in the picture have a lot of Corrosion and this product make look brand new!!!
Bill
Reviewed in the United States on March 22, 2021
used it on some light oxidation and no change to the fiberglass
Customer
Reviewed in the United States on March 26, 2018
At first this made the blue faded paint on our boat look awesome....but then a few days later it looked just as faded. Our review is that this is a very temporary fix. We had our boat all repainted this past winter. Will pass off to another boating friend.
Robert C.
Reviewed in the United States on December 31, 2018
Bought this for my boat but it arrived the day after it went into storage for the winter but I tried it on the fiberglass tub and surround and it worked wall on that it looks like new
Glenn H.
Reviewed in the United States on July 31, 2017
I've used almost every wax and polish out there and this is the best product I've found hands down. Professional Detailers did not make my 38' Eliminator Eagle shine like this stuff did. I also used this on a blue stripe on our cruiser, also with amazing results. The product goes a long way if used sparingly, less is more. I did my 38' offshore with one bottle, but have ordered a second one for touch up.
Frederick Hathaway
Reviewed in the United States on June 15, 2017
I have been working with rubbing compound and a electric polisher and wax and I have never been able to completly remove all the oxidation. This product did it with minimal effort. It also removed black streaks from the fiberglass in the cockpit. One caveat though. The description says one bottle will cover a 30 foot boat. Sure, if its a runabout and you don't have to do the inside of the cockpit or the top of the cabin, maybe. On a cabin cruiser it will take a couple of bottles just because of the extra fiberglass area.
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