







🛠️ Seal it fast, seal it smart — the pro’s choice for every project!
Sikaflex-221 is a fast-curing, one-component polyurethane sealant offering superior elasticity and weather resistance. Its versatile formula bonds to multiple surfaces including wood, metal, plastics, and ceramics. NSF-approved for safe use in drinking water and food production, it cures quickly with an initial set in 2 hours and full cure in 5-7 days. Sandable, paintable, and stain resistant, it delivers professional-grade, durable seals ideal for both indoor and outdoor applications.




| Color | Aluminum Gray |
| Brand | SIKA |
| Item Weight | 350 Grams |
| Liquid Volume | 10.3 Fluid Ounces |
| Full Cure Time | 5-7 Days |
| Initial Hardening Time | 2 Hours |
| Item Form | Liquid |
| Maximum Gap Fill | 1 Inches |
| Surface Recommendation | Metal, Wood, Glass |
| Temperature Range | 40-100 Degrees Fahrenheit |
| Water Resistance Level | Water Resistant |
| Number of Items | 1 |
| Manufacturer | Sika |
| UPC | 033886005104 |
| Unit Count | 1.0 Count |
| Material | Polyurethane |
| Model | Sikaflex 221 |
| Item Weight | 12.3 ounces |
| Product Dimensions | 12 x 2 x 12 inches |
| Item model number | SIKA-90892 |
| Manufacturer Part Number | 90892 |
| Special Features | Stain resistant |
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