--- product_id: 253405642 title: "Sikaflex-221, White, multi-purpose sealant/adhesive, polyurethane fast curing sealant, 10.1 fl. oz Cartridge" brand: "sika" price: "£22.04" currency: GBP in_stock: true category: "Sika" url: https://www.desertcart.co.uk/products/253405642-sikaflex-221-white-multi-purpose-sealant-adhesive-polyurethane-fast-curing store_origin: GB region: United Kingdom --- # Permanent elastic adhesion Fast curing in hours Weather & water resistant Sikaflex-221, White, multi-purpose sealant/adhesive, polyurethane fast curing sealant, 10.1 fl. oz Cartridge **Brand:** sika **Price:** £22.04 **Availability:** ✅ In Stock ## Summary > 🔧 Seal it once, trust it forever. ## Quick Answers - **What is this?** Sikaflex-221, White, multi-purpose sealant/adhesive, polyurethane fast curing sealant, 10.1 fl. oz Cartridge by sika - **How much does it cost?** £22.04 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/253405642-sikaflex-221-white-multi-purpose-sealant-adhesive-polyurethane-fast-curing) ## Best For - sika enthusiasts ## Why This Product - Trusted sika brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safe & Paint-Ready:** NSF approved for potable water, sandable and paintable for flawless finishes. - • **All-Weather Warrior:** Maintains integrity through rain, sun, and temperature swings. - • **Pro-Grade Versatility:** Bonds wood, metal, ceramics, plastics—perfect for automotive and construction pros. - • **Rapid Strength, Zero Downtime:** Fast curing formula lets you seal and move on without the wait. - • **Unbreakable Bond, Flexible Finish:** Elastic polyurethane adhesion that resists cuts, tears, and vibration. ## Overview Sikaflex-221 is a top-tier, fast-curing one-component polyurethane sealant and adhesive delivering permanent elastic bonds across multiple surfaces. Renowned for its durability, weather resistance, and NSF approval, it’s the go-to choice for professionals demanding reliable, flexible sealing in automotive, construction, and industrial applications. ## Description Sikaflex-221 is a high-quality multi-purpose non-sag 1-c polyurethane sealant/adhesive that cures on exposure to atmospheric humidity to form a durable elastomer. Sikaflex-221 bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high adhesive strength. Suitable substrate materials are wood, metals, metal primers and paint coatings (2-c systems), ceramic materials and plastics. ## Features - Sika flex is the most well known brand of one component polyurethane sealant/adhesive in the world - This fast curing product provides permanent elastic adhesion to a number of surfaces with excellent cut and tear resistance - Designed to resist the shock and abuse encountered over countless road miles, Silaflex-221 will maintain its strength and adhesion over the long haul - Sikaflex-221 is weather resistant, sand able, paintable and NSF approved for potable water and incidental food contact - Fit Type: Universal Fit - SikaFlex-221 is the most well known brand of one component polyurethane sealant/adhesive in the world - Our workhorse - Considered by many to be the ultimate choice in truck, trailer, RV and bus manufacturing - SikaFlex-221 is weather resistant, sandable, paintable and NSF approved for potable water and incidental food contact 221 - 10,14 oz. WHITE ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00O9VFLRS | | Best Sellers Rank | #11,778 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #75 in Hardware Sealers | | Brand Name | SIKA | | Color | White | | Customer Reviews | 4.5 4.5 out of 5 stars (2,538) | | 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 | ## Product Details - **Brand:** SIKA - **Colour:** White - **Item form:** Paste - **Item weight:** 10.1 Ounces - **Liquid volume:** 10.1 Fluid Ounces ## Images ![Sikaflex-221, White, multi-purpose sealant/adhesive, polyurethane fast curing sealant, 10.1 fl. oz Cartridge - Image 1](https://m.media-amazon.com/images/I/51dlzDcXfvL.jpg) ## Available Options This product comes in different **Color, Style** options. ## Frequently Bought Together - Sika Sikaflex-221, White, multi-purpose sealant/adhesive, polyurethane fast curing sealant, 10.1 fl. oz Cartridge - Dicor 501LSW-1 HAPS-Free Self-Leveling Lap Sealant for horizontal surfaces - 10.3 Oz, White, Secure, Ideal for RV Roofing, Maintenance, Repair, Appliance Application - Dicor BT-1834-1 Butyl Seal Tape - 1/8" x 3/4" x 30' Repair Tape for RV, Trailer, Motorhome, Window, and Vent Sealing --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/253405642-sikaflex-221-white-multi-purpose-sealant-adhesive-polyurethane-fast-curing](https://www.desertcart.co.uk/products/253405642-sikaflex-221-white-multi-purpose-sealant-adhesive-polyurethane-fast-curing) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-17*