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โ Seal it fast, seal it strong โ your boatโs best defense!
Sikaflex-295 UV Resistant Marine Adhesive Sealant is a fast-curing, one-component polyurethane adhesive designed for bonding and sealing windows, portholes, and various materials in marine environments. It offers superior saltwater resistance, UV protection to prevent cracking and chalking, and a strong 1500 PSI tensile strength, ensuring durable, waterproof seals with a clean white finish.









| ASIN | B00CFN1EOG |
| Best Sellers Rank | #12,917 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #20 in Industrial Joint Sealants |
| Brand | SIKA |
| Brand Name | SIKA |
| Color | White |
| Customer Reviews | 3.8 out of 5 stars 262 Reviews |
| Full Cure Time | 24 Hours |
| Included Components | Sealant |
| Item Form | Paste |
| Item Type Name | Great Product |
| Item Weight | 10.1 Ounces |
| Liquid Volume | 10.1 Fluid Ounces |
| Manufacturer | Sika USA |
| Material Type | Plastic |
| Model | 769 |
| Number of Items | 1 |
| Part Number | 769 |
| Surface Recommendation | Window |
| Tensile Strength | 1500 Pounds Per Square Inch |
| Unit Count | 10.3 Fluid Ounces |
| Warranty Description | Warranty |
| Water Resistance Level | Water Resistant |
S**A
Extremely satisfied!
Works great! I bought this glue to fix the windows on my boat, and it worked perfectly. Itโs strong, easy to apply, and dries clear, which made the job look clean and professional. Even after being exposed to water and sun, itโs holding up really well. Iโm very happy with the results and would definitely buy it again for future repairs. Highly recommend it for anyone needing a reliable, waterproof adhesive!
M**G
Sailboat owner approved
When youโre sealing a leaky sailboat hatch and it is a month from hurricane season you go for the correct item. This arrived quickly, applied easily and was set rapidly. I tested it by shooting hose water at it and it didnโt let any water in. Happy with the results
J**S
Great product, but missing nozzle makes it unusable
I love this product, can't be beat, but it came without a nozzle, so it is useless
P**K
Great product for mariners.
Thicker than toothpaste, seals great. No sagging or dripping.
T**Z
Under your fingernails for weeks. But worth it
Takes a while to go off, but you could glue your kids to the ceiling with this stuff (yeah i didnโt try that, wife said it seemed risky. Gonna wait till she goes out)
M**L
Superior Marine Caulk
Easy use, fast cure. Reasonable marine price.
C**Y
Great Product. Poorly Packaged. Missing Tip.
The product is AMAZING! I highly recommend for bedding hardware in marine applications where you want a good seal and you want the white to stay white. That said, the tube of sealant was poorly packaged (loose in a cardboard box with some crumpled paper). Worse, my tube arrived WITHOUT the screw on tipโฆ. I needed it for a project next day so had to scour Ace Hardware for a tip that would fit. BTW, the tip for GOOP sealant has the same fine threads as the sikaflex. Again, great stuff, but maybe not the best way to get it.
R**T
Just right size
for a small sealing job, this avoids the inevitable waste of opening a full cartridge
S**T
Great option for recreation boats
The front glass of my boat had recently gotten loose and threatened to come off completely. This adhesive is resistance to outside elements which is what convinced me to give it a try. The results are fantastic! If you own a boat and need to fix something on it, this Sika product is top notch.
N**K
Another great Sika product
I'm a big fan of Sika products in general, and having repaired a convertible rear glass with a very similar sika product in the past (which is not available at the moment), I decided to go with this one for a similar repair on a different car. Turned out great, this adheres very strongly once cured (go for the full 24hrs or even more if you can) and the seal is now completely leak-free. The added "uv resistance" is certainly a nice feature. Do bear in mind that this stuff is extremely messy to work with, and will stain anything it touches (including fingers) so proper preparation, protection and care when applying are most recommended. That said, once cured, it's fairly easy to scrape any over-application off the glass with a razor blade (DO NOT try to remove/cleanup any of it if it's not completely cured, you'll end up with a huge mess... Ask me how I know! ). There's very little smell/off-gassing/VOCs, so working in an enclosed area is not an issue. OH, as other reviewers mentioned, the little plastic applicator tip was missing, which is a bit of a bummer but not catastrophic by any means as any tip from standard silicone or caulking tube will do. This tube does fit any standard caulking gun, and I don't see how you could apply it without one.
S**T
Missing plastic thread on tips
The caulking was great, The plastic tips which are pictured weren't in the package. That was annoying and difficult to find elsewhere. Held up my project from getting done in a timely manner
B**A
Great product with a strange twist
We just purchased two of the Silkaflex-295. My husband loves this product. He said it's easy to work with and worth every penny. Just as I was going to write this review I noticed that many reviews mentioned that their delivery was missing the plastic applicator. Well we received one with and one without. I'm not sure why this is happening but they were very quick at sending a replacement. Hopefully this issue will soon be resolved for future orders.
K**H
Stale product
The product has an expiration date of may 2026. Not yet out of date but one would expect more than a few month shelf life.
Trustpilot
5 days ago
3 weeks ago