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Sikaflex-291 is a professional-grade, fast-curing polyurethane marine adhesive and sealant designed for boats and marine construction. It offers exceptional adhesion to multiple surfaces, outstanding resistance to water and chemicals, and flexibility for vibration resistance. Ideal for above and below waterline use, it meets NSF and USDA standards, making it a trusted choice for durable, reliable marine sealing.
| ASIN | B01GPIXX5Y |
| Best Sellers Rank | #44,574 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #272 in Hardware Sealers |
| Brand | SIKA |
| Brand Name | SIKA |
| Color | White |
| Colour | White |
| Compatible Material | Metal |
| Container Type | Cartridge |
| Customer Reviews | 4.4 out of 5 stars 1,181 Reviews |
| Included Components | Sealant |
| Item Form | Paste |
| Item Package Quantity | 1 |
| Item Type Name | Adhesive |
| Item Weight | 300 Grams |
| Item form | Paste |
| Manufacturer | Sika USA |
| Material | 1-C polyurethane |
| Material Type | 1-C polyurethane |
| Model | 90919 |
| Number of Pieces | 1 |
| Other Special Features of the Product | Fast Cure |
| Part Number | 90919 |
| Special features | Fast Cure |
| Specific Uses For Product | Boating |
| Specific uses for product | Boating |
| Tensile Strength | 260 Kips Per Square Inch |
| UPC | 033886005258 |
| Unit Count | 298.69 Milliliters |
| Viscosity Level | Medium |
| Volume | 10.1 Fluid Ounces |
| Water Resistance Level | Water Resistant |
B**R
Perfect for SportsPal aluminum canoe repair
I bought this Sika 291 to repair an aluminum canoe. This marine urethane is basically the same thing that SportsPal sells in their repair kit. I haven't used it yet but based on other reviews it will be fine for the repair I set out to accomplish Regarding other reviewers stating they received out of date or wrong colour product, I ordered black and got black and the use by date was 9 months into the future (July 2025) beyond my purchase date Nov/2024.
L**O
Very good
This is a very good product. It would probably stick to water. D
M**Y
Easy way to fix the rain sensor .
Works as advertised and is really easy to do. The hardest Part is to get the cover off from the Mirror assembly, but even that was easy. There is not much needed and with a 3 year Shelf life, you have enough left in the tubes to get it done again if needed. Great Product. I would recommend this over fixed gel pads that never will connect to the surfaces as this liquid is doing. Actually there was a gel pad installed before and it failed. That’s why I had to do this in the first place. Definitely recommend this product.
G**N
Greatest
Great stuff
P**O
Works great for a fishing kayak sonar tranducer
I used this adhesive to bond a sonar transducer to the bottom of a fishing kayak after watching some helpful videos on You Tube, it does as advertised and created a strong bond and there is no signal interference whatsoever.I would suggest bonding and orienting the transducer while the kayak is in the water so you can match the actual depth and the reading on the sonar as it needs to be oriented perfectly.
Trustpilot
3 days ago
1 month ago