---
product_id: 254296115
title: "Liquid Rubber Concrete Foundation and Basement Sealant - Indoor & Outdoor Waterproof Coating, Easy to Apply, Black, 5 Gallon"
brand: "liquid rubber"
price: "A$1046"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/254296115-liquid-rubber-concrete-foundation-and-basement-sealant-indoor-and-outdoor
store_origin: AU
region: Australia
---

# Covers up to 50 sq ft/gallon indoors 900% elongation for ultimate flexibility Permanent waterproof membrane Liquid Rubber Concrete Foundation and Basement Sealant - Indoor & Outdoor Waterproof Coating, Easy to Apply, Black, 5 Gallon

**Brand:** liquid rubber
**Price:** A$1046
**Availability:** ✅ In Stock

## Summary

> 💧 Seal your foundation, secure your peace of mind!

## Quick Answers

- **What is this?** Liquid Rubber Concrete Foundation and Basement Sealant - Indoor & Outdoor Waterproof Coating, Easy to Apply, Black, 5 Gallon by liquid rubber
- **How much does it cost?** A$1046 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/254296115-liquid-rubber-concrete-foundation-and-basement-sealant-indoor-and-outdoor)

## Best For

- liquid rubber enthusiasts

## Why This Product

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

## Key Features

- • **Eco-Safe Formula:** Zero VOCs for safe indoor use without toxic fumes
- • **Pro-Level Coverage:** High-build coating covers large areas with fewer coats
- • **Multi-Surface Mastery:** Bonds seamlessly to concrete, wood, metal & masonry
- • **Unmatched Flexibility:** Stretches 9x its length to prevent cracks and leaks
- • **All-Weather Protection:** Maintains seal integrity across temperature extremes

## Overview

Liquid Rubber Concrete Foundation Sealant is a professional-grade, flexible waterproof coating designed for indoor and outdoor use. With 900% elongation, it creates a permanent, crack-resistant membrane that protects basements, foundations, and other surfaces from water damage. Its zero-VOC, water-based formula ensures safe application indoors, while delivering superior adhesion and coverage up to 50 sq ft per gallon. Ideal for DIYers and pros seeking a durable, versatile waterproofing solution.

## Description

Liquid Rubber Foundation Sealant is a coating that is easily brushed on and cures into a waterproof membrane. It can be used in many applications where you need to create a watertight seal. Foundations, ICF's, Basements, Shower Liners, Deck and Fence Posts, Planter Boxes, Metal, Wood, Concrete and more. Use Liquid Rubber Seam Tape or Liquid Rubber Geo-Textile to bridge seams, joints, vents, protrusions to create a long lasting repair or rejuvenation. Apply when the temperature is above 40F/5C. Apply to a clean, dry surface free of anything that would hinder adhesion. Typically cures within 24-48 hrs. Do not freeze. Store in a warm area. Do not apply in wet conditions or if rain is forecasted within 24 hrs. Not meant as a constant walking surface or for long term exposure to UV. Coverage - Flat/Ponding Surface - 15 sq ft/G per coat. Apply 4-5 heavy coats to achieve a 60-80 mil. (1.5-2.0mm) membrane. Vertical Surfaces: Exterior - 20 sq ft/G per coat. Apply 3-4 heavy coats to achieve a 40-60 mil. (1.0-1.5mm) membrane. Interior - 50 sq ft/G per coat. Apply 2-3 heavy coats to achieve a 20-30 mil. (0.5-0.76mm) membrane. Apply next coat when dry to touch and nothing is wet underneath; tacky is okay. Generally 12-24 hrs between heavy coats. Amounts vary depending on surface roughness. Use all material up to achieve a long lasting membrane. Avoid hot, direct, intense sunlight during application. Remove Painters Tape while still wet. Clean Up - Use soap and water or mineral oil to clean skin.

## Features

- SUPERIOR FLEXIBLE SEALANT: Liquid Rubber's foundation sealer creates a permanent waterproof membrane for basement waterproofing, foundation leak repair, shower liners, and planter boxes. This professional-grade sealer delivers unmatched protection with 900% elongation, preventing leaks and water damage more effectively than traditional sealants
- COMPLETE BASEMENT WATERPROOFING SYSTEM: Surpassing basic concrete paint, concrete sealers, and standard waterproof agents, this waterproofing membrane is designed to seal and protect against active leaks and moisture, making it perfect for basement leak and foundation repair. Seamlessly compatible with self leveling concrete applications
- VERSATILE CONCRETE CRACK FILLER: The professional-grade rubber coating and rubber waterproofing technology maintains flexibility in all temperatures, preventing future cracks and damage. This liquid rubber waterproof sealant provides superior adhesion to concrete, masonry, wood, metal, and foundation surfaces, making it an ideal choice for your DIY projects
- MAXIMUM COVERAGE & PERFORMANCE: This high-build basement sealer goes on like waterproof paint - Interior basement surfaces: 50 sq ft/gallon (requires: 2-3 coats), Exterior concrete sealer outdoor surfaces: 20 sq ft/gallon (requires: 3-4 coats). Apply between 50°F-90°F. For complete protection, use the rubber sealant with Liquid Rubber Geo-Textile on joints and transitions
- IMPORTANT USAGE GUIDELINES: The water-based foundation sealer formula contains zero VOCs for safe indoor application. No mixing required! Apply by brush, roller, or professional sprayer as part of your basement waterproofing system. Not suitable for walking surfaces due to tackiness when cured
- FOR A WATERTIGHT SYSTEM - Use rubber sealant with Liquid Rubber Geo-Textile on joints and transitions, fill small cracks with Liquid Rubber Sealant & Adhesive, and bridge joints, seams, vents, and protrusions where movement may occur. Scroll down for full application steps

## Product Details

- **Material:** Polymer
- **Brand:** Liquid Rubber
- **Style:** Protective
- **Item weight:** 19.8 Kilograms
- **Item dimensions L x W x H:** 30.5 x 30.5 x 40.6 centimeters

## Images

![Liquid Rubber Concrete Foundation and Basement Sealant - Indoor & Outdoor Waterproof Coating, Easy to Apply, Black, 5 Gallon - Image 1](https://m.media-amazon.com/images/I/61FXgbdqhnL.jpg)
![Liquid Rubber Concrete Foundation and Basement Sealant - Indoor & Outdoor Waterproof Coating, Easy to Apply, Black, 5 Gallon - Image 2](https://m.media-amazon.com/images/I/61EHAkOwrOL.jpg)
![Liquid Rubber Concrete Foundation and Basement Sealant - Indoor & Outdoor Waterproof Coating, Easy to Apply, Black, 5 Gallon - Image 3](https://m.media-amazon.com/images/I/71+8a1LVfhL.jpg)
![Liquid Rubber Concrete Foundation and Basement Sealant - Indoor & Outdoor Waterproof Coating, Easy to Apply, Black, 5 Gallon - Image 4](https://m.media-amazon.com/images/I/71yKTyKiUML.jpg)
![Liquid Rubber Concrete Foundation and Basement Sealant - Indoor & Outdoor Waterproof Coating, Easy to Apply, Black, 5 Gallon - Image 5](https://m.media-amazon.com/images/I/619MdzyaVKL.jpg)

## Questions & Answers

**Q: will this work on a pond?**
A: Yes, as a matter of fact I just redid my riverbed and the pond with concrete and then applied a couple of good coats of the liquid rubber using the last coat to adhere the rocks and it is beautiful and is holding the water perfectly'

**Q: What's the lowest temperature to apply this product ?**
A: I don't think the temp affects the function of this product as it does not have a " Do not allow to freeze " requirement. It doesn't really dry as it remains pliable like rubber. I would however heed the suppliers advice and try not to apply it below 5c/40f if possible.

**Q: Approximately how many square feet will one 5 gallon bucket cover?**
A: 100-125sq ft at a 60mil thickness. 
 Bought 5, 5gal buckets to do 580sq ft of foundation and had about 1/2 gallon left over at an average of 60mil thickness.

**Q: Question for anyone who sealed their basement from the inside. Has it held up against water leaks?**
A: Yes so far... make sure you get every nook and cranny! I missed a tiny little hole and it leaked.

## Frequently Bought Together

- Liquid Rubber Basement and Foundation Repair Sealant - Waterproof Concrete Sealer & Crack Filler - Flexible Coating for Indoor & Outdoor Use - Waterproofing Paint - Black, 5 Gallon
- Liquid Rubber Geo-Textile - Fix Leaks - Repair and Restore - Easy to Use, 4 Inch x 160 Foot Roll
- Liquid Rubber Caulk - Hybrid Adhesive and Protective Sealant, White, 4 Pack

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-01-22*