---
product_id: 55069843
title: "Unika ColorSealant CS4218-AZ Acrylic Gap Filler and Sealant, Grey, 0.57 kg"
brand: "colorsealant"
price: "$30.94"
currency: USD
in_stock: true
reviews_count: 8
category: "Color Sealant"
url: https://www.desertcart.us/products/55069843-unika-colorsealant-cs4218-az-acrylic-gap-filler-and-sealant-grey
store_origin: US
region: United States of America
---

# Grey acrylic paste for seamless color match Water-resistant durable seal Flexible expansion prevents cracking Unika ColorSealant CS4218-AZ Acrylic Gap Filler and Sealant, Grey, 0.57 kg

**Brand:** colorsealant
**Price:** $30.94
**Availability:** ✅ In Stock

## Summary

> 🎯 Seal smart, seal stylish — never let gaps steal your spotlight!

## Quick Answers

- **What is this?** Unika ColorSealant CS4218-AZ Acrylic Gap Filler and Sealant, Grey, 0.57 kg by colorsealant
- **How much does it cost?** $30.94 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/55069843-unika-colorsealant-cs4218-az-acrylic-gap-filler-and-sealant-grey)

## Best For

- colorsealant enthusiasts

## Why This Product

- Trusted colorsealant brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Flawless Grey Finish:** Achieve a professional, uniform look with a perfectly matched grey acrylic formula.
- • **Effortless Application:** Smooth paste consistency ensures controlled, mess-free use for both DIY pros and installers.
- • **Flexes with Your Floors:** Advanced flexible expansion mechanism adapts to natural floor and wall movements—no cracks, no stress.
- • **Versatile Compatibility:** Perfectly suited for wood, plastic, floors, and walls—your all-in-one gap filler solution.
- • **Water-Resistant Durability:** Reliable sealant that stands up to everyday moisture, keeping your interiors pristine.

## Overview

Unika ColorSealant CS4218-AZ is a 0.57 kg grey acrylic gap filler and sealant designed for interior floors and walls. Its flexible formula accommodates natural expansion and contraction, while providing a water-resistant, durable finish. Easy to apply and compatible with wood and plastic surfaces, it delivers a neat, professional look ideal for skirting boards, edges, and joints.

## Description

Free delivery and returns on all eligible orders. Shop Unika ColorSealant CS4218-AZ Acrylic Gap Filler and Sealant, Grey, 0.57 kg.

Review: Easy to use - Easy to use and wipe up any mistakes. Grey colour is as advertised. I used to fill gaps at the edges of our flooring some of which were quite large.
Review: Good colour match - Good colour match for what I wanted. Light grey

## Features

- COLOURED ACRYLIC GAP FILLER & SEALANT – Grey coloured acrylic paste designed for filling and sealing gaps in floors and walls.
- FLEXIBLE EXPANSION MECHANISM – Remains flexible after curing, allowing flooring to expand and contract naturally without cracking.
- WATER-RESISTANT FINISH – Forms a durable seal suitable for everyday interior floor and wall applications.
- DESIGNED FOR EASY USE – Paste formulation allows controlled application for both DIY users and professional installers.
- SUITABLE FOR FLOORS & WALLS – Recommended for floor and wall surfaces in interior environments.
- COMPATIBLE WITH WOOD & PLASTIC – Suitable for use on wood and plastic materials.
- IDEAL FOR FLOOR EDGE & JOINT FILLING – Helps create a neat finish along skirting boards, edges and expansion joints.
- ACRYLIC PASTE FORMULA – Provides smooth application and reliable gap filling performance.
- 570G / 310ML FORMAT – Supplied as a single cartridge providing generous coverage for multiple gaps.
- MODEL CS4218-AZ IDENTIFICATION – Clearly identified model for easy specification and re-ordering.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00P82UZ6Y |
| Best Sellers Rank | 11,312 in DIY & Tools ( See Top 100 in DIY & Tools ) 254 in Sealers |
| Brand | ColorSealant |
| Colour | Grey |
| Compatible Material | Plastic, Wood |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,415) |
| Global Trade Identification Number | 05023778042183 |
| Included Components | 1 x 310 ml |
| Item Dimensions | 23 x 7 x 5 centimetres |
| Item Form | Paste |
| Item Type Name | Acrylic Gap Filler and Sealant |
| Manufacturer | Unika |
| Manufacturer Part Number | CS4218-AZ |
| Material | Acrylic |
| Model Number | CS4218-AZ |
| Number of Items | 1 |
| Product Warranty | N/a. |
| Style Name | Single |
| Surface Recommendation | Floor, Wall |
| Unit Count | 570.0 gram |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** ColorSealant
- **Item dimensions L x W x H:** 23 x 7 x 5 centimetres
- **Material:** Acrylic
- **Style:** Single
- **Water resistance level:** Water Resistant

## Images

![Unika ColorSealant CS4218-AZ Acrylic Gap Filler and Sealant, Grey, 0.57 kg - Image 1](https://m.media-amazon.com/images/I/61gyJ2RyVWL.jpg)

## Questions & Answers

**Q: Is this product sandable**
A: Not really, as it remains quite flexible.

**Q: Can this be used in bathroom for tile joins and bath seal**
A: It can for a bath seal but only for small repairs in time joints.

**Q: How do I open it?**
A: HA HA u have to cut the top of then screw that tube onto it .then put it into the gun and there you go easy done

**Q: Can this be used at the top of wallpaper like white caulk ???**
A: Yes

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy to use
*by A***R on 12 October 2024*

Easy to use and wipe up any mistakes. Grey colour is as advertised. I used to fill gaps at the edges of our flooring some of which were quite large.

### ⭐⭐⭐⭐ Good colour match
*by G***N on 9 June 2025*

Good colour match for what I wanted. Light grey

### ⭐⭐⭐⭐⭐ Good quality
*by M***E on 11 September 2024*

Good stuff, easy to use and sticks well easy to clean up after as well!

## Frequently Bought Together

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- ColorSealant CS4204-AZ Light Oak Acrylic Gap Filler and Sealant

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-21*