Marine Sealant & Adhesive Caulk
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- Seal leaks, seams, portholes, and repairs above or below the waterline once fully cured.
- Flexible cured bond helps handle vibration, shock, expansion, and contraction on boats, RVs, and repair jobs.
- Bonds to fiberglass, gelcoat, plastic, metal, glass, ceramic, wood, and more.
- Color and size options help you match small touchups, visible seams, and larger caulking work.
- Cured sealant can be sanded and painted for cleaner finishing.
More Details
- Marine sealant and adhesive caulk.
- Variants include white 10 oz, white 3 oz, clear 10 oz, clear 3 oz, black 10 oz, black 3 oz, gray 10 oz, gray 3 oz, and brown 10 oz.
- 10 oz tubes are about 11 to 11.2 inches long; 3 oz tubes are about 6 inches long.
- Designed for above and below waterline use once cured.
- Bonds to fiberglass, gelcoat, plastic, metal, glass, ceramic, wood, and more.
- Flexible bond remains able to bend, expand, and contract after curing.
- Cured sealant can be sanded and painted.
Description
Better Boat Marine Sealant and Adhesive Caulk is made for boat, RV, auto, and repair jobs where sealing and adhesion both matter. Use it for leaking seams, portholes, cosmetic repairs, and other spots that need a flexible waterproof seal.
The cured bond is designed to stay flexible and handle movement, vibration, expansion, and contraction. Choose the color and size that fits the repair, from larger 10 oz tubes to select 3 oz options for smaller jobs.