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🔧 Seal it like a pro — waterproof, weatherproof, worry-proof!
STAR BRITE Marine Silicone Sealant is a premium, multi-surface adhesive designed for both marine and household applications. Available in black, white, and clear, it delivers a waterproof, airtight seal that resists cracking, shrinking, and yellowing. Its UV and chemical resistance combined with flexibility across extreme temperatures make it a durable, reliable choice for sealing fiberglass, metal, wood, glass, and plastics. Fast drying and easy to apply, it’s the go-to sealant for professionals and DIYers alike.
| ASIN | B0000AYC0L |
| Best Sellers Rank | #4,210 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #16 in Silicone Caulk #213 in Industrial Sealants #1,850 in Hardware |
| Brand Name | STAR BRITE |
| Color | Multicolor |
| Compatible Material | Fiberglass, Glass, Metal, Plastic, Wood |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,210) |
| Global Trade Identification Number | 00071247821215 |
| Included Components | Product |
| Item Dimensions | 2 x 2 x 11.5 inches |
| Item Form | Liquid |
| Item Type Name | Silicone |
| Item Weight | 0.36 Kilograms |
| Manufacturer | Star brite |
| Material Type | Plastic |
| Model | 82121 |
| Number of Items | 1 |
| Part Number | 082121 |
| Style Name | White 10.1 OZ |
| Surface Recommendation | Metal |
| UPC | 071247821215 |
| Unit Count | 10.1 Fluid Ounces |
| Warranty Description | SATISFACTION GUARANTEED: Not delighted with your purchase? Return it within 30 days for a refund of the purchase price. Ask our experts: Call 1-800-327-8583 or visit the website printed on the label. |
| Water Resistance Level | Waterproof |
M**R
High-quality sealant that’s easy to use and delivers professional results
I used STAR BRITE Marine Silicone on my Beneteau sailboat, and it worked perfectly. The application was smooth, and it created a strong, watertight seal that has held up well against the marine environment. It’s flexible yet durable, exactly what you want for boat maintenance. The quality is excellent — no leaks, no peeling, and it looks clean once cured. It’s clear this product is designed with boats in mind, and it gave me confidence knowing my sailboat is properly sealed. Overall, STAR BRITE Marine Silicone is a reliable, high-quality sealant that’s easy to use and delivers professional results. I’ll definitely keep it on hand for future projects on my Beneteau.
T**N
Great Product
I used Star Brite products on several projects. On this project, I had a crack in the lid on the recycle bin. This allowed rain to enter and turn paper/cardboard into mush that would not empty. To stop the spread of the crack I drilled two small holes one at each of the crack. I then used the marine grade sealant to fill the crack and the holes. I put a large bead of sealant the length of the crack and spread it out with a putty knife. So far it has worked great. Had a heavy on and off overnight rain and no water inside the bin.
S**Y
Perfect Sealant
This product Star Brite Marine Silicone Sealant is superb! It is an excellent sealant and works magnificently! Before purchasing, I had a leak in my sunroof. As of this writing, I had to sit in my car for three hours until I could get my flat fix. During this time, NO WATER whatsoever entered my car! Thank GOD for this product! I would definitely buy again!
E**S
Job Done
It did the job. I was hoping this tube will do few jobs but it split open and couldn’t be saved for future needs. I will buy it again when and if I need it.
G**Z
Clear marine silicone
For the price, the product work perfectly.As described.Thank you , we'll purchase more in future
A**.
Nice!
Worked great on repairing a crack on my camper
K**N
Good sealant but tube isn't strong and bottom may open up wasting it
Arrives in the package shown. You cut the tip to the desired amount you want to come out but you need to cut open a decent size opening. If you try to get a fine bead it will require a lot of pressure to get it to come out. I was trying to apply a small bead and the bottom of the tube opened up which ended up in me throwing out the tube to avoid a mess and potentially trying to save it. It does work well for gluing glass slide door rollers. The smell isn't bad. Seems to be durable as it's currently being used for the shower door rollers. Good for sealing leaks. Good value for the amount you get if you plan to use it all right away.
J**M
Marine Silicone Sealant
Works great
M**B
Ordered clear. Received black!
E**O
Good adhesive but came in a squished condition and nozzle was twisted so flow wasnt good! Product is good thugh.
Trustpilot
2 months ago
3 days ago