---
product_id: 253405642
title: "Sikaflex-221, White, multi-purpose sealant/adhesive, polyurethane fast curing sealant, 10.1 fl. oz Cartridge"
brand: "sika"
price: "€ 39.32"
currency: EUR
in_stock: true
reviews_count: 7
category: "Sika"
url: https://www.desertcart.be/products/253405642-sikaflex-221-white-multi-purpose-sealant-adhesive-polyurethane-fast-curing
store_origin: BE
region: Belgium
---

# 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:** € 39.32
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal it fast, seal it right — the pro’s choice for unstoppable adhesion!

## 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?** € 39.32 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/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

- • **Weatherproof & Durable:** Engineered to resist harsh weather and water exposure, perfect for outdoor and mobile applications.
- • **Safe & Paintable Finish:** NSF approved for potable water contact, sandable and paintable for a flawless professional look.
- • **Rapid Cure, Lasting Seal:** Fast curing polyurethane formula locks in strength quickly, so your projects move faster.
- • **Versatile Surface Bonding:** Bonds seamlessly to wood, metal, ceramics, and plastics for multi-surface mastery.
- • **Unmatched Elastic Strength:** Superior cut and tear resistance ensures your seals stay intact through every shock and stress.

## Overview

Sikaflex-221 is a top-tier, one-component polyurethane sealant and adhesive known worldwide for its fast curing, permanent elastic bonds, and exceptional durability. Ideal for demanding applications like trucks, trailers, and outdoor fixtures, it offers weather resistance, NSF approval for potable water, and versatility across multiple surfaces, making it the ultimate sealant for professionals who refuse to compromise.

## 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.

Review: The best - Best adhesive sealant I've ever used. I've gone through many tubes of this. It's never let me down except when removing it lol!
Review: As advertised - Good quality

## 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 | #15,200 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #90 in Hardware Sealers |
| Brand | SIKA |
| Brand Name | SIKA |
| Color | White |
| Colour | White |
| Customer Reviews | 4.5 out of 5 stars 2,893 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 |
| Item form | Paste |
| Item weight | 10.1 Ounces |
| Liquid Volume | 10.1 Fluid 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 |
| 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** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ The best
*by D***B on 3 June 2026*

Best adhesive sealant I've ever used. I've gone through many tubes of this. It's never let me down except when removing it lol!

### ⭐⭐⭐⭐⭐ As advertised
*by A***R on 10 April 2025*

Good quality

### ⭐⭐⭐⭐⭐ Very good
*by H***M on 3 November 2023*

Very good

## 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.be/products/253405642-sikaflex-221-white-multi-purpose-sealant-adhesive-polyurethane-fast-curing](https://www.desertcart.be/products/253405642-sikaflex-221-white-multi-purpose-sealant-adhesive-polyurethane-fast-curing)

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-07-09*