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Better Boat

Marine Sealant and Adhesive Waterproof Marine Grade Sealant Caulk High Temp Caulking Water Sealant for Boat Auto and RV Without Silicone - 1 Tube White 10oz

    • Based on 625 reviews
Condition: New
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$25.99 Why this price?
Save $5.20 was $31.19

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To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

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Availability: In Stock.
Fulfilled by Amazon
Arrives Sunday, Nov 3
Order within 18 hours and 28 minutes
Available payment plans shown during checkout

Color: White


Features

  • HEAVY-DUTY ELASTOMERIC SEALANT: Waterproof long-lasting superior strength above & below waterline to repair seams and stop leaks. Seal ports, wind-shields and more. Remains Flexible and can twist, bend, expand and contract with weather conditions.
  • FLEXIBLE PERMANENT BOND UV LIGHT AND SALTWATER RESISTANT: One-part sealant that forms a tough yet flexible permanent bond resistant to sunlight, rain, fresh & salt-water. Fast cure formula cures white then can be sanded and painted unlike silicone.
  • SEALS & ADHERES TO MULTIPLE SURFACES: Marine Adhesive works with fiberglass, glass, plastic, metal & wood. Safely and securely repairs windshields, joints, hardware, aluminum boats, pool decks, aquarium sealent , pool caulking , RV and Auto repairs.
  • MADE IN THE USA & EXCEPTIONAL QUALITY: Made by boaters for boaters, our waterproof sealant and other products are made to strict, tested, trade-secret standards and you will find this premium marine sealant is no exception.
  • WHY BETTER BOAT: An American company with a line of premium quality boat detailing supplies. We offer the tools and products needed to make caring for your boat easier so you can spend more time on the water.

Color: White


Brand: Better Boat


Item Weight: 10 Ounces


Item Form: Paste


Surface Recommendation: Tub, Window, Sink, Tile, Walls, Door


Package Dimensions ‏ : ‎ 11.1 x 1.93 x 1.89 inches; 10 ounces


Item model number ‏ : ‎ BB-MRSL-WHT


Date First Available ‏ : ‎ September 30, 2019


Manufacturer ‏ : ‎ Better Boat


Best Sellers Rank: #13,033 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #23 in Silicone Caulk #274 in Industrial Sealants #30,268 in Hardware


#23 in Silicone Caulk:


#274 in Industrial Sealants:


#30,268 in Hardware:


Customer Reviews: 4.4 4.4 out of 5 stars 625 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Nov 3

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Sealing leaks
Color: Clear
Product was just as expected ! Used it on my boat to make sure seams were sealed , well worth the cost !
Reviewed in the United States on March 8, 2024 by U.P. Yooper
    • Marine glue
Color: Gray
So far so good easy to apply . Working time about 15 mins.
Reviewed in the United States on July 18, 2024 by steve
    • Leaky boat
Color: White
Works well on my 10ft. “Tiny Tanic”;
Reviewed in the United States on May 31, 2024 by charles murray
    • Great sealant for boat.
Color: Gray
little bit costly but apllied and dried perfectly evcellent product.
Reviewed in the United States on April 13, 2024 by Amazon Customer
    • Works great
Color: Gray
Very nice stuff to work with , high quality. At first I was thinking it was a little expensive, but after using it I can see why it was a little more than the other guys . Very nice stuff people, keep up the good work !! Oh yeah and it’s made in the USA.
Reviewed in the United States on January 6, 2024 by Inch
    • Quality product
Color: Clear
The quality was there but the add was mis leading it shows 5 tubes in the picture but you get one,didn’t like the price for 1 tube.
Reviewed in the United States on July 26, 2024 by Kenneth Blanton
    • Great product
Color: Clear
Great product. Multiple uses. Sealed outside of motorhome roof great! Easy to use. Will use for more projects around the house.
Reviewed in the United States on February 12, 2024 by Momma C
    • Waste of money
Color: Gray
Should have paid closer attention to the reviews. Stem came out with only a small amount of side pressure. Waste of money.
Reviewed in the United States on July 19, 2024 by John J Scott

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