---
product_id: 511420273
title: "Aquatech Waterproof Crack & Gap Filler – High-Strength, Non-Shrink Sealant for Interior/Exterior Wall, Roof, Terrace, Home, Kitchen Sink, Tile gap, Repair Concrete Leaks Up to 20MM (White 1KG)"
brand: "dulux"
price: "R368"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/511420273-aquatech-waterproof-crack-and-gap-filler-high-strength-non-shrink
store_origin: ZA
region: South Africa
---

# 100% waterproof seal Quick-dry formula Fills cracks up to 20mm Aquatech Waterproof Crack & Gap Filler – High-Strength, Non-Shrink Sealant for Interior/Exterior Wall, Roof, Terrace, Home, Kitchen Sink, Tile gap, Repair Concrete Leaks Up to 20MM (White 1KG)

**Brand:** dulux
**Price:** R368
**Availability:** ✅ In Stock

## Summary

> 🛠️ Fix it once, fix it right — waterproof strength that lasts!

## Quick Answers

- **What is this?** Aquatech Waterproof Crack & Gap Filler – High-Strength, Non-Shrink Sealant for Interior/Exterior Wall, Roof, Terrace, Home, Kitchen Sink, Tile gap, Repair Concrete Leaks Up to 20MM (White 1KG) by dulux
- **How much does it cost?** R368 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/511420273-aquatech-waterproof-crack-and-gap-filler-high-strength-non-shrink)

## Best For

- dulux enthusiasts

## Why This Product

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

## Key Features

- • **Ready for Action:** Accepts nails and screws for multi-functional repairs and installations.
- • **Versatile Surface Mastery:** Adheres effortlessly to walls, roofs, tiles, sinks, and concrete—interior or exterior.
- • **Seamless Repairs, Zero Shrinkage:** Shrink-free formula ensures flawless, long-lasting finishes without rework.
- • **Speedy Fixes, Professional Results:** Fast drying saves time while delivering durable, smooth finishes.
- • **Effortless Sanding for Perfect Finish:** Easily sands down to a sleek, paint-ready surface every time.

## Overview

Dulux Aquatech Waterproof Crack & Gap Filler is a high-strength, non-shrink paste designed to fill cracks and holes up to 20mm on multiple surfaces including walls, roofs, tiles, and sinks. Its quick-drying, waterproof formula accepts nails and screws, sands easily, and provides durable, seamless repairs for both interior and exterior applications.

## Description

Dulux Aquatech Waterproof Crack & Gap Filler – High-Strength, Non-Shrink Sealant for Interior/Exterior Wall, Roof, Terrace, Home, Kitchen Sink, Tile gap, Repair Concrete Leaks Up to 20MM (White 1KG)

## Features

- Fills Holes Up to 20mm: Perfect for filling holes and cracks of various sizes, including 5mm, 10mm, and 20mm, providing a seamless repair solution for damaged surfaces.
- Shrink-Free Formula: Enjoy a smooth, even finish as the filler remains shrink-free, ensuring long-lasting and reliable repairs without the need for reapplication.
- Accepts Nails & Screws: The crackfiller easily accepts nails and screws, making it ideal for multi-purpose surface repairs and installations.
- Quick Drying: Fast-drying formulation allows for quick repairs, saving you time while ensuring strong, durable results.
- Multi-Surface Adhesion & Easy Sanding: Adheres to a variety of surfaces, both interior and exterior, and sands easily for a smooth, professional finish that’s perfect for any project.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Crackfillers |
| Brand | Dulux |
| Item Weight | 500 Grams |
| Item dimensions L x W x H | 15 x 13.6 x 13.6 Centimeters |
| Compatible Material | Wall, Roof, Terrace, Kitchen Sink, Tile, Concrete, Various Surfaces |
| Water Resistance Level | Waterproof |
| Item Form | Paste |
| Net Quantity | 1 Count |
| Number of Items | 1 |
| Colour | Grey |
| Manufacturer | Akzo Nobel India Ltd., 9th Floor, Magnum Towers, Golf course Ext Road, Sector-58 Gurugram- 122 011 |
| Country of Origin | India |
| Item model number | 79019003-N |
| Product Dimensions | 15 x 13.6 x 13.6 cm; 500 g |
| ASIN | B0BT1ZC211 |

## Product Details

- **Material:** Crackfillers
- **Brand:** Dulux
- **Item Weight:** 500 Grams
- **Item dimensions L x W x H:** 15 x 13.6 x 13.6 Centimeters
- **Compatible Material:** Wall, Roof, Terrace, Kitchen Sink, Tile, Concrete, Various Surfaces

## Images

![Aquatech Waterproof Crack & Gap Filler – High-Strength, Non-Shrink Sealant for Interior/Exterior Wall, Roof, Terrace, Home, Kitchen Sink, Tile gap, Repair Concrete Leaks Up to 20MM (White 1KG) - Image 1](https://m.media-amazon.com/images/I/61Umtr3GItL.jpg)

## Available Options

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

## Frequently Bought Together

- Dulux Aquatech Waterproof Crack & Gap Filler – High-Strength, Non-Shrink Sealant for Interior/Exterior Wall, Roof, Terrace, Home, Kitchen Sink, Tile gap, Repair Concrete Leaks Up to 20MM (White 1KG)
- Dr. Fixit Kwik N Ezee Wall Gap & Crack Filler, 150gm (White), DIY Waterproofing for Home Repairs, Kitchen Sink & Wall Cracks, Bathroom Tile Gaps Sealant, Metal, Wood, PVC, Best for Wet & Damp areas
- DR. FIXIT 201 Crack X Paste-1Kg, Ready to use crack filler for internal & external surface cracks on roofs,wall, Flexible Putty with excellent Bonding

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**Shop now:** [https://www.desertcart.co.za/products/511420273-aquatech-waterproof-crack-and-gap-filler-high-strength-non-shrink](https://www.desertcart.co.za/products/511420273-aquatech-waterproof-crack-and-gap-filler-high-strength-non-shrink)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-15*