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3M Marine Grade Silicone Sealant (304 mL) is a clear, non-yellowing, moisture-curing sealant designed specifically for above-waterline marine applications. It offers superior adhesion to a wide range of materials including metal, fiberglass, glass, wood, plastics, and rubber. Engineered to resist UV damage, water exposure, and temperature extremes, it provides a flexible, durable seal trusted by professionals for long-lasting performance in harsh marine environments.
| ASIN | B000H83M4G |
| Best Sellers Rank | #3,461 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #11 in Silicone Adhesives |
| Brand | 3M |
| Brand Name | 3M |
| Color | Clear |
| Compatible Material | Glass, Metal, Plastic, Wood |
| Customer Reviews | 4.6 out of 5 stars 1,891 Reviews |
| Global Trade Identification Number | 00051135080290 |
| Included Components | PN08029 |
| Item Dimensions | 2 x 2 x 12 inches |
| Item Form | Liquid |
| Item Type Name | Marine Grade Silicone Sealant (08029) – For Boats and RVs - Clear – 1/10 Gallon Cartridge |
| Item Weight | 8 ounces |
| Item dimensions L x W x H | 2 x 2 x 12 inches |
| Manufacturer | 3M |
| Material | Specialized silicone or synthetic rubber compound |
| Material Type | Specialized silicone or synthetic rubber compound |
| Model | 08029 |
| Number of Items | 1 |
| Part Number | 051135080290 |
| Style | 10.3 fl oz |
| Style Name | 10.3 fl oz |
| Surface Recommendation | Floors,Walls,Wood |
| UPC | 051135080290 |
| Unit Count | 1.0 Count |
| Water Resistance Level | Water Resistant |
M**C
great sealant, holds up on the water
Used this for sealing some fittings on my boat and it worked exactly as expected, no leaks at all and it's held up through sun and water exposure without cracking or pulling away. The cap seals well so the tube doesn't cure between uses which is a huge deal with silicone products since they can dry out fast. Only minor thing is the dispenser cap threads can be a little finicky if you push sideways on them but that's pretty minor overall. Solid marine silicone from a brand you can trust and I'd buy it again.
B**3
Works great.
Needed to seal up around a vhf antenna. Easy to use and easy to clean up.
R**R
Great product!
Great product!
J**F
Good marine grade silicone
Needed some marine grade silicone for some fittings on my camper and this worked perfectly. Put the cap on after you're done and the product doesn't cure in the tube and become a solid mess like some other products. The only thing which doesn't work well is the threaded screw-on dispenser cap. The thread will strip with too much lateral pressure, which always happens to me. Also, do yourself a favor and purchase one of those metal tube keys that help you squish material out of a metal tube. It will save your fingers from exessive squishing, lol.
A**O
Good stuff
This is some serious sealant. But the bottom end popped on me so be careful.
W**I
As advertised
This product, works completely as advertised. Nothing adheres any better, above or below the Waterline. My only complaint (why I gave value for money only 4 stars) is that they don't make it in any smaller quantities. Often times, you just don't need 3 fl ozs. And once you open the tube, and the air hits the end, you can't put the genie back in the bottle. It's all going to harden, used on the project, or left in the tube :-(
A**S
Great product! Works great! Highly recommend!
Great product! Works great! Highly recommend!
D**E
3M marine grade silicone
Great stuff for my boat on installing new equipment
J**.
Excelente calidad
Excelente calidad, selló las filtraciones en mis ventanas e incluso la usé para sellar filtraciones en el techo de mi camper, muy recomendado
Trustpilot
2 weeks ago
1 month ago