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🚤 Seal it fast, seal it right — the pro’s choice for marine perfection!
Sikaflex®-291 is a professional-grade, fast-curing marine sealant and adhesive designed for superior elasticity and durability. It bonds to multiple surfaces including fiberglass, metal, wood, and gelcoat, and withstands harsh marine environments such as fresh and saltwater, acids, and oils. Approved for potable water and incidental food contact, it offers a paintable, vibration-resistant seal ideal for above and below waterline applications, making it a trusted solution for boat builders and marine maintenance pros.















| ASIN | B01GPIXX5Y |
| Best Sellers Rank | #5,631 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #42 in Silicone Adhesives #53 in Adhesive Caulk #103 in Industrial Sealants |
| Brand Name | SIKA |
| Color | White |
| Compatible Material | Fiberglass, Metal, Wood |
| Container Type | Cartridge |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,342) |
| Included Components | 10.1 fl oz Cartridge |
| Item Form | Gel |
| Item Package Quantity | 1 |
| Item Type Name | Adhesive |
| Item Weight | 300 g |
| Manufacturer | Sika USA |
| Material Type | 1-C polyurethane |
| Model | 90919 |
| Number of Pieces | 1 |
| Other Special Features of the Product | Fast Curing |
| Part Number | 90919 |
| Specific Uses For Product | Boating |
| Tensile Strength | 260 kips_per_square_inch |
| UPC | 033886005258 |
| Unit Count | 10.1 Fluid Ounces |
| Viscosity Level | Medium |
| Volume | 10.1 fluid ounces |
| Water Resistance Level | Water Resistant |
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