

⚓ Seal the deal with Sikaflex-291 — where marine strength meets speedy precision!
Sikaflex-291 is a black, one-part polyurethane marine adhesive and sealant designed for fast curing and superior water resistance. Ideal for boats and marine construction, it forms strong, vibration-resistant seals that withstand freshwater, saltwater, fuel, and corrosive environments. Packaged in a 10.1 fl oz cartridge compatible with various applicators, it cures to a sandable, paintable finish meeting international maritime standards.















| ASIN | B00C501KD4 |
| Amazon Bestseller | #169,254 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #17,437 in Adhesives & Sealants |
| Brand | SIKA |
| Brand Name | SIKA |
| Color | Black |
| Compatible Material | Aluminum |
| Container Type | Cartridge |
| Customer Reviews | 4.3 out of 5 stars 459 Your Review |
| Full Cure Time | 24 Hours |
| Global Trade Identification Number | 00033886005272 |
| Included Components | Sealant |
| Item Form | Gel |
| Item Package Quantity | 1 |
| Item Weight | 10.1 Ounces |
| Manufacturer | Sika USA |
| Material | Polyurethane |
| Material Type | Polyurethane |
| Model | 90923 |
| Other Special Features of the Product | Water Resistant |
| Special Feature | Water Resistant |
| Specific Uses For Product | Marine |
| UPC | 033886005272 |
| Unit Count | 10.1 Count |
| Viscosity | High Viscosity Paste |
| Volume | 10.1 Fluid Ounces |
| Water Resistance Level | Waterproof |
B**R
Perfect for SportsPal aluminum canoe repair
L**A
Would buy again
A**R
Adhesive
Y**B
Sent VERY OLD product!
A**H
Works great!
Trustpilot
2 days ago
3 weeks ago