---
product_id: 67513478
title: "Leakmaster LV-1 Polyurethane Water-Swelling Sealant 320 mL (11oz Tube)"
brand: "greenstreak group"
price: "A$252"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/67513478-leakmaster-lv-1-polyurethane-water-swelling-sealant-320-ml-11oz
store_origin: AU
region: Australia
---

# 20m water head support Swells 2x in volume Adheres to multiple surfaces Leakmaster LV-1 Polyurethane Water-Swelling Sealant 320 mL (11oz Tube)

**Brand:** greenstreak group
**Price:** A$252
**Availability:** ✅ In Stock

## Summary

> 💪 Seal the Deal with Leakmaster!

## Quick Answers

- **What is this?** Leakmaster LV-1 Polyurethane Water-Swelling Sealant 320 mL (11oz Tube) by greenstreak group
- **How much does it cost?** A$252 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/67513478-leakmaster-lv-1-polyurethane-water-swelling-sealant-320-ml-11oz)

## Best For

- greenstreak group enthusiasts

## Why This Product

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

## Key Features

- • **Superior Adhesion:** Bonds effortlessly to concrete, metal, and glass.
- • **Pipe Penetration Pro:** Ideal for sealing around pipes with ease.
- • **Seal with Confidence:** Moisture-cure polyurethane for unbeatable performance.
- • **Secondary Seal Power:** Enhances traditional PVC waterstops before concrete pours.
- • **Versatile Application:** Perfect for irregular joints and rough surfaces.

## Overview

The Leakmaster LV-1 is a high-performance, moisture-cure polyurethane sealant designed for civil engineering and construction applications. It effectively seals irregular joints and surfaces, providing a secondary seal around PVC waterstops and ensuring robust adhesion to various materials. With its impressive water swelling capability, it doubles in volume upon water absorption, making it an essential tool for any water service project.

## Description

Leakmaster LV-1 Polyurethane Water-Swelling Sealant 320 mL (11oz Tube)

## Features

- Leakmaster LV-1 is a moisture-cure, one-component polyurethane water-swelling sealant that can support 20 meters heads of water.
- Particularly useful in civil engineering, construction, and water services, where conventional solid waterstops are difficult to apply. This includes irregular shaped joints, rough surfaces, odd penetrations, etc.
- Commonly used to provide a secondary seal around traditional PVC waterstops before a concrete pour.
- Adheres easily to both smooth and uneven surfaces, including concrete, metal, glass, etc.
- Water swelling up to approx. 2 times in volume as a result of its water absorption and swelling mechanisms.
- Excellent for pipe penetration.
- Finish color is gray

## Images

![Leakmaster LV-1 Polyurethane Water-Swelling Sealant 320 mL (11oz Tube) - Image 1](https://m.media-amazon.com/images/I/31+EaTnejVL.jpg)

## Frequently Bought Together

- Leakmaster LV-1 Polyurethane Water-Swelling Sealant 320 mL (11oz Tube)
- BASF Sealant NP1 Polyurethane White 10.1 Oz - Case of 30
- BASF Sealant NP1 Polyurethane Limestone 10.1 Ounce - 12 Pack

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**Shop now:** [https://www.desertcart.com.au/products/67513478-leakmaster-lv-1-polyurethane-water-swelling-sealant-320-ml-11oz](https://www.desertcart.com.au/products/67513478-leakmaster-lv-1-polyurethane-water-swelling-sealant-320-ml-11oz)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-09*