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๐ง Seal it once, seal it right โ the proโs choice for lasting perfection!
Sikaflex-221 is a premium white polyurethane sealant and adhesive designed for multipurpose use. It cures fully in just 1 hour, creating a permanent elastic seal that bonds to metal, plastic, wood, and glass. Waterproof and resistant to harsh elements like saltwater and acids, itโs NSF approved for safe use in drinking water and food production settings. Its sandable and paintable finish ensures a seamless, professional result every time.










| ASIN | B0CRS12FHB |
| Brand | SIKA |
| Brand Name | SIKA |
| Color | white |
| Colour | white |
| Customer Reviews | 5.0 out of 5 stars 1 Review |
| Full Cure Time | 1 Hours |
| Full cure time | 1 Hours |
| Global Trade Identification Number | 10033886005095 |
| Included Components | Sealant |
| Item Form | Paste |
| Item form | Paste |
| Liquid Volume | 10.1 Fluid Ounces |
| Liquid volume | 10.1 Fluid Ounces |
| Manufacturer | SIKA |
| Material Type | Polyurethane |
| Model | 90891 |
| Number of Items | 24 |
| Part Number | 90891 |
| Surface Recommendation | Metal, Wood, Glass |
| Surface recommendation | Metal, Wood, Glass |
| Water Resistance Level | Waterproof |
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