---
product_id: 185385817
title: "Sika Damp Proofing Slurry – Waterproof – Adjustable Consistency – Interior and Exterior Applications – Grey – 20kg"
brand: "sika"
price: "$906"
currency: NZD
in_stock: true
reviews_count: 8
category: "Sika"
url: https://www.desertcart.nz/products/185385817-sika-damp-proofing-slurry-waterproof-adjustable-consistency-interior-and-exterior
store_origin: NZ
region: New Zealand
---

# Interior & exterior use Waterproof formula Adjustable consistency Sika Damp Proofing Slurry – Waterproof – Adjustable Consistency – Interior and Exterior Applications – Grey – 20kg

**Brand:** sika
**Price:** $906
**Availability:** ✅ In Stock

## Summary

> 💧 Seal out moisture, seal in confidence.

## Quick Answers

- **What is this?** Sika Damp Proofing Slurry – Waterproof – Adjustable Consistency – Interior and Exterior Applications – Grey – 20kg by sika
- **How much does it cost?** $906 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/185385817-sika-damp-proofing-slurry-waterproof-adjustable-consistency-interior-and-exterior)

## 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 & Low Odour:** Non-toxic, chloride-free formula keeps your workspace fresh and safe.
- • **Coverage That Counts:** 20kg covers up to 5.6m²—maximize efficiency on every project.
- • **Customizable Application:** Mix to slurry, mortar, or sprayable form for ultimate control and ease.
- • **Trusted Industry Standard:** Sika’s proven quality trusted by pros for reliable damp-proofing results.
- • **Versatile Waterproofing Power:** Perfect for basements, tanks, pools & more—one product, endless protection.

## Overview

Sika Damp Proofing Slurry is a 20kg polymer-modified waterproofing solution designed for both interior and exterior applications. Its adjustable consistency allows for versatile use as slurry, mortar, or spray, covering up to 5.6m² per bucket. Non-toxic and low odour, it’s ideal for damp-proofing basements, water tanks, pools, and masonry surfaces, making it a trusted choice for professional-grade moisture protection.

## Description

Free delivery and returns on all eligible orders. Shop Sika Damp Proofing Slurry – Waterproof – Adjustable Consistency – Interior and Exterior Applications – Grey – 20kg.

Review: Good stuff - Very good product
Review: Sika is one of the construction industrys go to manufacturer. - Sika is one of the construction industrys go to manufacturer. I used it as troweled on to a retaining wall to prevent moisture passage through to surface. It can also be applied by a brush as if painting to achieve the same result.

## Features

- Causes serious eye damage.
- Causes skin irritation.
- May cause respiratory irritation.
- MULTIPURPOSE – Designed for internal and external use, including domestic basement damp-proofing, cement, render, brick and block waterproofing works, lining of water tanks, pools, planters and more.
- ADJUSTABLE – This one-part polymer-modified ready-to-use (just add water and mix) formula has excellent workability, a low odour and is non-toxic as it contains no chloride admixtures.
- EASY TO USE – Follow the instructions to create a slurry, mortar or sprayable consistency, and apply using a brush, trowel or spray applicator.
- EXCELLENT COVERAGE – One 20kg bucket can cover areas up to 5.6m², depending on thickness and consistency.
- MULTIPLE SIZES – Also available in 25kg bags.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01JYXFAYO |
| Batteries Required? | No |
| Best Sellers Rank | 30,813 in DIY & Tools ( See Top 100 in DIY & Tools ) 39 in Waterproofers |
| Colour | Grey |
| Customer Reviews | 4.3 4.3 out of 5 stars (129) |
| Date First Available | 8 Aug. 2016 |
| Included Components | 1 x Damp-Proofing Slurry Grey 20KG |
| Item Package Quantity | 1 |
| Item Weight | 20 kg |
| Item model number | SKDPSLUR20 |
| Manufacturer | Sika Everbuild |
| Material | Resin |
| Measurement System | Metric |
| Number of Pieces | 1 |
| Part Number | SKDPSLUR20 |
| Product Dimensions | 32 x 18 x 48 cm; 20 kg |
| Size | 20kg |
| Style | Compact |

## Product Details

- **Brand:** Sika
- **Item dimensions L x W x H:** 32 x 18 x 48 centimetres
- **Item weight:** 20 Kilograms
- **Material:** Resin
- **Style:** Compact

## Images

![Sika Damp Proofing Slurry – Waterproof – Adjustable Consistency – Interior and Exterior Applications – Grey – 20kg - Image 1](https://m.media-amazon.com/images/I/61CDDejA2NL.jpg)
![Sika Damp Proofing Slurry – Waterproof – Adjustable Consistency – Interior and Exterior Applications – Grey – 20kg - Image 2](https://m.media-amazon.com/images/I/71aw6Br9UML.jpg)
![Sika Damp Proofing Slurry – Waterproof – Adjustable Consistency – Interior and Exterior Applications – Grey – 20kg - Image 3](https://m.media-amazon.com/images/I/71rme+hGuRL.jpg)
![Sika Damp Proofing Slurry – Waterproof – Adjustable Consistency – Interior and Exterior Applications – Grey – 20kg - Image 4](https://m.media-amazon.com/images/I/61Mqpk2LUuL.jpg)
![Sika Damp Proofing Slurry – Waterproof – Adjustable Consistency – Interior and Exterior Applications – Grey – 20kg - Image 5](https://m.media-amazon.com/images/I/81XSJ8TG5gL.jpg)

## Questions & Answers

**Q: Can you paint straight onto the slurry?**
A: Hi, this can be overpainted however a period of approximately 6 months is required before doing so.

**Q: Is this product breathable**
A: Breathable, in which way?? This is a waterproofing product, unlike lime mortar , and it does what it says on packet. I used it on wet dripping brickwork apply two coats and it stopped the water completely

**Q: Can the Sika products be used on a painted brick wall?**
A: Hi. Unfortunately the paint would need to be removed.

**Q: How should be the texture ? Hard or more liquid?**
A: The product should be a uniform lump free slurry, too liquid and it will slump from the wall

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good stuff
*by G***S on 2 December 2025*

Very good product

### ⭐⭐⭐⭐⭐ Sika is one of the construction industrys go to manufacturer.
*by F***0 on 3 September 2025*

Sika is one of the construction industrys go to manufacturer. I used it as troweled on to a retaining wall to prevent moisture passage through to surface. It can also be applied by a brush as if painting to achieve the same result.

### ⭐⭐⭐⭐⭐ Recommend
*by A***R on 27 July 2025*

Very good product

## Frequently Bought Together

- Sika Damp Proofing Slurry – Waterproof – Adjustable Consistency – Interior and Exterior Applications – Grey – 20kg
- ProDec 4 inch Flat Masonry Paint Brush for Rapid Application of Smooth and Textured Masonry Paints on Outdoor Walls, Brick, Breeze Block, Render, Pebbledash and Other Rough Surfaces, 4" 100mm

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**Shop now:** [https://www.desertcart.nz/products/185385817-sika-damp-proofing-slurry-waterproof-adjustable-consistency-interior-and-exterior](https://www.desertcart.nz/products/185385817-sika-damp-proofing-slurry-waterproof-adjustable-consistency-interior-and-exterior)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-17*