---
product_id: 18443420
title: "SIKA Sikaflex-221 Multi-Purpose Polyurethane Sealant/Adhesive, 10.1 fl oz, White – Fast-Curing, Permanent Elastic Bond, Weather-Resistant, Sandable & Paintable"
brand: "sika"
price: "€ 32.44"
currency: EUR
in_stock: true
reviews_count: 13
category: "Sika"
url: https://www.desertcart.gr/products/18443420-sika-sikaflex-221-multi-purpose-polyurethane-sealant-adhesive-10-1
store_origin: GR
region: Greece
---

# Fast-curing formula Sandable & paintable finish Weather-resistant durability SIKA Sikaflex-221 Multi-Purpose Polyurethane Sealant/Adhesive, 10.1 fl oz, White – Fast-Curing, Permanent Elastic Bond, Weather-Resistant, Sandable & Paintable

**Brand:** sika
**Price:** € 32.44
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal it like a pro — durable, versatile, and ready to perform!

## Quick Answers

- **What is this?** SIKA Sikaflex-221 Multi-Purpose Polyurethane Sealant/Adhesive, 10.1 fl oz, White – Fast-Curing, Permanent Elastic Bond, Weather-Resistant, Sandable & Paintable by sika
- **How much does it cost?** € 32.44 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/18443420-sika-sikaflex-221-multi-purpose-polyurethane-sealant-adhesive-10-1)

## 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

- • **Certified Safe:** NSF-approved for drinking water & food-safe environments
- • **Professional Finish:** Cures quickly, sandable & paintable for seamless integration
- • **Enduring Performance:** Age-resistant formula stands strong against seawater & acids
- • **Effortless Application:** Cartridge fits all guns for precise, mess-free use
- • **Versatile Bonding Power:** Bonds metals, plastics & ceramics with permanent elasticity

## Overview

Sika Sikaflex-221 is a premium one-component polyurethane sealant and adhesive offering fast curing, permanent elastic bonds, and exceptional weather resistance. Ideal for metals, plastics, and ceramics, it’s NSF-approved for safe use in drinking water and food production, delivering a sandable and paintable finish for flawless, professional results.

## Description

When you need a professional-grade elastic seal or bond, there's one name you can trust: The Sika Sikaflex-221. This multi-purpose adhesive & sealant creates permanent bonds to a wide variety of substrates to give you maximum versatility and range. It's a low-odor, non-corrosive compound that's easy and convenient to work with. For optimal performance, surfaces should be clean and free of any debris, dirt, grease, oil, or dust, then dried prior to application. Complete tooling and finishing before skin forms, typically within an hour of use.

Review: Perfect for automotive use - I used Sikaflex to adhere a roof wing to the back windshield of my car, and I’m seriously impressed with how well it worked. The bond is incredibly strong and feels permanent once cured. I let it set for about 24 hours before driving, and even after months of highway speeds and temperature changes, the wing hasn’t budged at all. The application was pretty straightforward, it has a thick, tacky consistency that gives you enough working time to position everything correctly before it starts to set. I’d recommend taping or clamping the part in place while it cures, because it does take a while to fully harden. Once cured, it’s flexible enough to handle vibration and movement, which is great for automotive use. One thing to note: this stuff is messy. It’s sticky, and once it gets on your hands or paint, it’s not easy to remove. Wear gloves, mask off surrounding areas, and have some cleaner or mineral spirits ready. Overall, Sikaflex delivered exactly what I needed, a strong, weatherproof, and vibration resistant bond that’s holding my roof wing securely in place. It’s not the cheapest adhesive, but it’s worth it for the strength and reliability.
Review: best adhesive in market - really good adhesive/sealant. I have used several other cheaper desertcart brands and it lays significantly smoother and like a thick cake frosting consistency - it also hardens and connects with much stronger bond. Highly recommend using this and paying the price over the cheaper stuff out there

## Features

- VERSATILITY AND QUALITY IN ONE - Sometimes simply called Sika 221 white, this one-component urethane caulk bonds to a range of substrates, including metals, plastics, and metal primers and coatings
- AGE RESISTANT - Formulated to resist the effects of aging to better perform at peak capacity no matter the conditions. Also resists elements such as seawater, diluted acids, and caustic solutions
- READY TO USE - The Sikaflex black sealant comes in a handy cartridge that fits easily on an electric, pneumatic or manual application gun, making accurate placement of adhesive paste quick and easy
- SAFE AND EFFECTIVE - Approved by the NSF for use in both drinking water systems and food production operations, so you can rest easy knowing there's no harmful level of chemicals
- PERFECT FOR INTERNAL SEALS AND BONDING - Use it for permanent seals that you can rely on. The paste also bonds to ceramic materials and cures quickly upon exposure to atmospheric moisture

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00O9VFLRS |
| Best Sellers Rank | #987 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Polyurethane Adhesives #13 in Urethane Adhesives |
| Brand | SIKA |
| Brand Name | SIKA |
| Color | White |
| Customer Reviews | 4.6 out of 5 stars 3,045 Reviews |
| 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
- **Color:** White
- **Item Form:** Paste
- **Item Weight:** 10.1 ounces
- **Liquid Volume:** 10.1 fluid ounces

## Images

![SIKA Sikaflex-221 Multi-Purpose Polyurethane Sealant/Adhesive, 10.1 fl oz, White – Fast-Curing, Permanent Elastic Bond, Weather-Resistant, Sandable & Paintable - Image 1](https://m.media-amazon.com/images/I/51dlzDcXfvL.jpg)
![SIKA Sikaflex-221 Multi-Purpose Polyurethane Sealant/Adhesive, 10.1 fl oz, White – Fast-Curing, Permanent Elastic Bond, Weather-Resistant, Sandable & Paintable - Image 2](https://m.media-amazon.com/images/I/71qrAAvlBsL.jpg)
![SIKA Sikaflex-221 Multi-Purpose Polyurethane Sealant/Adhesive, 10.1 fl oz, White – Fast-Curing, Permanent Elastic Bond, Weather-Resistant, Sandable & Paintable - Image 3](https://m.media-amazon.com/images/I/71DQiygDaWL.jpg)
![SIKA Sikaflex-221 Multi-Purpose Polyurethane Sealant/Adhesive, 10.1 fl oz, White – Fast-Curing, Permanent Elastic Bond, Weather-Resistant, Sandable & Paintable - Image 4](https://m.media-amazon.com/images/I/71fziJuz0HL.jpg)
![SIKA Sikaflex-221 Multi-Purpose Polyurethane Sealant/Adhesive, 10.1 fl oz, White – Fast-Curing, Permanent Elastic Bond, Weather-Resistant, Sandable & Paintable - Image 5](https://m.media-amazon.com/images/I/612V68ytanL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect for automotive use
*by O***A on October 6, 2025*

I used Sikaflex to adhere a roof wing to the back windshield of my car, and I’m seriously impressed with how well it worked. The bond is incredibly strong and feels permanent once cured. I let it set for about 24 hours before driving, and even after months of highway speeds and temperature changes, the wing hasn’t budged at all. The application was pretty straightforward, it has a thick, tacky consistency that gives you enough working time to position everything correctly before it starts to set. I’d recommend taping or clamping the part in place while it cures, because it does take a while to fully harden. Once cured, it’s flexible enough to handle vibration and movement, which is great for automotive use. One thing to note: this stuff is messy. It’s sticky, and once it gets on your hands or paint, it’s not easy to remove. Wear gloves, mask off surrounding areas, and have some cleaner or mineral spirits ready. Overall, Sikaflex delivered exactly what I needed, a strong, weatherproof, and vibration resistant bond that’s holding my roof wing securely in place. It’s not the cheapest adhesive, but it’s worth it for the strength and reliability.

### ⭐⭐⭐⭐⭐ best adhesive in market
*by A***Z on June 9, 2026*

really good adhesive/sealant. I have used several other cheaper amazon brands and it lays significantly smoother and like a thick cake frosting consistency - it also hardens and connects with much stronger bond. Highly recommend using this and paying the price over the cheaper stuff out there

### ⭐⭐⭐⭐⭐ Been using for years, but after expired takes forever to cure it if at all
*by T***N on August 21, 2026*

Easy clean up with alcohol, preferably alcohol fuel 100%

## Frequently Bought Together

- Sika Sikaflex-221, White, multi-purpose sealant/adhesive, polyurethane fast curing sealant, 10.1 fl. oz Cartridge
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- Dicor BT-1834-1 Butyl Seal Tape - 1/8" x 3/4" x 30' Repair Tape for RV, Trailer, Motorhome, Window, and Vent Sealing

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**Shop now:** [https://www.desertcart.gr/products/18443420-sika-sikaflex-221-multi-purpose-polyurethane-sealant-adhesive-10-1](https://www.desertcart.gr/products/18443420-sika-sikaflex-221-multi-purpose-polyurethane-sealant-adhesive-10-1)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-08-29*