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🛠️ Seal it fast, seal it right — the pro’s choice for permanent bonds!
Sikaflex-221 is a premium, one-component polyurethane sealant and adhesive offering fast curing, permanent elastic bonds, and exceptional weather resistance. Trusted by professionals, it bonds a wide range of materials including metals, plastics, and ceramics. NSF-approved and easy to apply, it delivers durable, waterproof seals ideal for both industrial and home projects.















| ASIN | B00O9VFLRS |
| Best Sellers Rank | #879 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Polyurethane Adhesives #14 in Urethane Adhesives |
| Brand Name | SIKA |
| Color | White |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,933) |
| Global Trade Identification Number | 00338860050980 |
| Included Components | AP Products 017-90891 Sikaflex-221, White |
| Item Form | Paste |
| Item Type Name | AP Products 017-90891 Sikaflex-221, White |
| Item Weight | 10.1 Ounces |
| Liquid Volume | 10.1 Fluid Ounces |
| Manufacturer | SIKA |
| Material Type | Polyurethane |
| Model | 017-90891 |
| Number of Items | 1 |
| Part Number | 0911.1270 |
| Surface Recommendation | Roof, Vent, Pipe |
| UPC | 338860050980 |
| Unit Count | 10.1 Fluid Ounces |
| Water Resistance Level | Waterproof |
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