---
product_id: 573482357
title: "GURU USA G-Flex Uncoupling Membrane, Waterproof Membrane for Tile Vapor Barrier, Waterproofing Membrane for Shower & Bathroom Flooring Underlayment, 1 x 14 m (150 ft²) Roll"
brand: "guru"
price: "$U30886"
currency: UYU
in_stock: true
reviews_count: 1
url: https://www.desertcart.uy/products/573482357-guru-usa-g-flex-uncoupling-membrane-waterproof-membrane-for-tile
store_origin: UY
region: Uruguay
---

# 100% waterproof HDPE membrane Optimized for underfloor heating 3mm thick uncoupling tech GURU USA G-Flex Uncoupling Membrane, Waterproof Membrane for Tile Vapor Barrier, Waterproofing Membrane for Shower & Bathroom Flooring Underlayment, 1 x 14 m (150 ft²) Roll

**Brand:** guru
**Price:** $U30886
**Availability:** ✅ In Stock

## Summary

> 💧 Stay dry, stay flawless – the G-Flex membrane your floors deserve!

## Quick Answers

- **What is this?** GURU USA G-Flex Uncoupling Membrane, Waterproof Membrane for Tile Vapor Barrier, Waterproofing Membrane for Shower & Bathroom Flooring Underlayment, 1 x 14 m (150 ft²) Roll by guru
- **How much does it cost?** $U30886 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/573482357-guru-usa-g-flex-uncoupling-membrane-waterproof-membrane-for-tile)

## Best For

- guru enthusiasts

## Why This Product

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

## Key Features

- • **Heat-Optimized Comfort:** Engineered to evenly distribute heat, making your underfloor heating system more efficient and your space cozier.
- • **Ultimate Waterproof Shield:** Protect your bathroom floors with a cutting-edge HDPE membrane that guarantees zero moisture penetration.
- • **Generous 150 sq ft Coverage:** One roll covers a large area, reducing installation time and material waste for your next renovation project.
- • **Trusted Innovation by GURU USA:** Backed by a brand known for premium waterproofing solutions, empowering professionals to build with confidence.
- • **Crack-Resistant Flex Technology:** Innovative nodule design absorbs vibrations and movements, preventing tile cracks and ensuring long-lasting durability.

## Overview

The GURU USA G-Flex Uncoupling Membrane is a 3mm thick, 150 sq ft roll of high-density polyethylene waterproofing underlayment designed for tile floors in showers and bathrooms. Its unique nodule pattern prevents cracks by absorbing floor movements and vibrations, while also optimizing heat distribution for underfloor heating systems. Engineered for durability and moisture protection, it’s a professional-grade solution trusted by contractors to ensure long-lasting, flawless tile installations.

## Description

Full description not available

## Features

- Waterproof Membrane: Engineered by GURU USA, the G-Flex Uncoupling Membrane represents the pinnacle of waterproofing technology, combining advanced materials and innovative design to deliver protection for your shower and bathroom; This uncoupling membrane roll measures 1 m x 14 m = 14 m² (150 ft²)
- Crack Prevention Membrane: The nodule distribution on a circular and square basis enhances G-Flex's resistance to movements, vibrations, and contractions, ensuring your tiles remain unaffected by environmental stresses. G-Flex's nodules also hold multi-directional deformation, cushioning tensions and allowing for crack bridging in floors & walls
- Waterproof Flooring: The strategically distributed nodules create a network that facilitates steam circulation and dissipation, creating waterproof flooring for bathrooms & other rooms; G-Flex's polyethylene sheet composition provides a moisture barrier underlayment, ensuring waterproofing protection for all your surfaces
- Optimized Heat Distribution: The same network that dissipates steam also ensures uniform distribution and dispersion of heat, making the G-Flex uncoupling membrane the ideal choice for underfloor heating installations as it creates a comfortable and cozy environment
- About Us: At GURU, we're proud to be renowned for our innovative waterproofing solutions and for delivering premium products to the construction sector; We deliver cutting-edge waterproofing solutions that set new standards for excellence and durability, empowering our clients to build with confidence

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | GURU USA LLC |
| Part Number | ILU5100 |
| Item Weight | 19.91 pounds |
| Package Dimensions | 39.45 x 9.5 x 9 inches |
| Item model number | ILU5100 |
| Is Discontinued By Manufacturer | No |
| Size | 150 SF |
| Color | Red |
| Material | High-Density Polyethylene (HDPE) |
| Shape | Round |
| Thickness | 3 Millimeters |
| Installation Method | Thinset |
| Coverage | 150 sq ft |
| Usage | Underlayment |
| Included Components | 150 sq ft of G-Flex Waterproof Uncoupling Membrane |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![GURU USA G-Flex Uncoupling Membrane, Waterproof Membrane for Tile Vapor Barrier, Waterproofing Membrane for Shower & Bathroom Flooring Underlayment, 1 x 14 m (150 ft²) Roll - Image 1](https://m.media-amazon.com/images/I/71ce2fIwXRL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy to use
*by J***H on September 19, 2023*

Easy to use and install. Works great!

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.uy/products/573482357-guru-usa-g-flex-uncoupling-membrane-waterproof-membrane-for-tile](https://www.desertcart.uy/products/573482357-guru-usa-g-flex-uncoupling-membrane-waterproof-membrane-for-tile)

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-02-05*