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⚓ Seal your success with clarity and strength!
3M Marine Grade Silicone Sealant (PN08029) is a professional-grade, clear silicone designed for above-waterline sealing in harsh marine environments. It offers superior adhesion to a wide range of materials including metal, fiberglass, glass, and plastics, while maintaining a flexible, non-yellowing, and water-resistant seal that lasts for years. Ideal for industrial and occupational use, this 304 mL cartridge delivers reliable, high-temperature resistant performance trusted by professionals.







| ASIN | B000H83M4G |
| Best Sellers Rank | #3,853 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #12 in Silicone Adhesives |
| Brand | 3M |
| Brand Name | 3M |
| Color | Clear |
| Compatible Material | Glass, Metal, Plastic, Wood |
| Customer Reviews | 4.7 out of 5 stars 400 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 Count |
| Water Resistance Level | Water Resistant |
A**S
Great product! Works great! Highly recommend!
Great product! Works great! Highly recommend!
R**R
Great product!
Great product!
L**R
Fixed car leak
We used this sealant to seal some cracks in our Honda that were causing water leaks. This product was easy to apply and sealed the cracked that was causing the water leak. I would recommend this sealant as a cheap and easy solution for water leaks in cars.
D**E
3M marine grade silicone
Great stuff for my boat on installing new equipment
R**.
Good stuff
Worked good for gluing on a dash cover
E**T
Expensive but worth it
We bought a new boat and my husband put the motor on. This is what he used to make sure all the holes from mounting the motor were sealed. We have had our boat out a lot and this product has stood up to all the water with no problems
L**L
Put a van camper top on my van
This is one of the best tubed I've used. Keeps the water out. Keeps the moisture out. Doesn't expand too much. Goes with the hot weather and the cold weather. Very easy to work with. Smells at first. But when you get done your job looks awesome. Doesn't peel the way like the other ones do. I ended up buying 8 more. To put my camper van top on. And it's still going strong. I recommend this to anyone. Easy cleanup.
R**I
It will bond and it’s done
High cost, once it’s opened it should be able to reuse. 3 M is I very good product (s). Over $30. Now
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
5 days ago
2 days ago