---
product_id: 286291196
title: "MAPEI Mapeguard UM Underlayment Membrane – High-Performance Ceramic Tile, Porcelain & Stone Crack-Isolation and Waterproofing Solution, 323 sq. ft. | No Curling, Waterproof Anti-Fracture Crack Isolation Underlayment Mat for Bathroom Floor Tiles, Ceramic, Concrete, Stone"
brand: "mapei"
price: "3797.68 DT"
currency: TND
in_stock: true
category: "Mapei"
url: https://www.desertcart.tn/products/286291196-mapei-mapeguard-um-underlayment-membrane-high-performance-ceramic-tile-porcelain
store_origin: TN
region: Tunisia
---

# Lightweight & quick install Advanced waterproof barrier Superior crack isolation MAPEI Mapeguard UM Underlayment Membrane – High-Performance Ceramic Tile, Porcelain & Stone Crack-Isolation and Waterproofing Solution, 323 sq. ft. | No Curling, Waterproof Anti-Fracture Crack Isolation Underlayment Mat for Bathroom Floor Tiles, Ceramic, Concrete, Stone

**Brand:** mapei
**Price:** 3797.68 DT
**Availability:** ✅ In Stock

## Summary

> 🛠️ Elevate your floors with crack-proof, waterproof confidence!

## Quick Answers

- **What is this?** MAPEI Mapeguard UM Underlayment Membrane – High-Performance Ceramic Tile, Porcelain & Stone Crack-Isolation and Waterproofing Solution, 323 sq. ft. | No Curling, Waterproof Anti-Fracture Crack Isolation Underlayment Mat for Bathroom Floor Tiles, Ceramic, Concrete, Stone by mapei
- **How much does it cost?** 3797.68 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/286291196-mapei-mapeguard-um-underlayment-membrane-high-performance-ceramic-tile-porcelain)

## Best For

- mapei enthusiasts

## Why This Product

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

## Key Features

- • **Trusted Mapei quality:** Backed by a 4.6-star rating and industry-leading materials like high-density polyethylene (HDPE).
- • **Save time, install faster:** Lightweight design and glue-down method streamline installation on residential and commercial sites.
- • **Waterproof with confidence:** Creates a reliable moisture barrier ideal for bathrooms, kitchens, and showers—no more water worries.
- • **Crack-proof your investment:** Effectively isolates substrate cracks to protect tile, porcelain, and stone surfaces for lasting durability.
- • **Versatile substrate compatibility:** Seamlessly bonds to concrete, plywood, and even existing tile for flexible project needs.

## Overview

Mapeguard UM Underlayment Membrane is a 323 sq. ft. high-density polyethylene (HDPE) uncoupling layer designed to protect ceramic tile, porcelain, and stone installations from substrate cracks while providing advanced waterproofing. Compatible with multiple substrates and easy to install via glue-down, it’s a top-rated solution trusted by professionals for durable, moisture-resistant flooring.

## Description

Superior Crack Isolation: Effectively protects ceramic tile, porcelain, and stone installations from substrate cracks, ensuring long-lasting durability. Advanced Waterproofing: Acts as a reliable barrier against moisture, making it ideal for wet areas such as bathrooms, kitchens, and showers. Versatile Application: Compatible with a variety of substrates, including concrete, plywood, and existing tile, for seamless installation.Lightweight and Easy to Install: Designed for quick and simple application, saving time and effort on both residential and commercial projects.Mapei Adhesives, Sealants, Chemical Products for Building that are Designed for Easy, Efficient Application

## Features

- Superior Crack Isolation: Effectively protects ceramic tile, porcelain, and stone installations from substrate cracks, ensuring long-lasting durability.
- Advanced Waterproofing: Acts as a reliable barrier against moisture, making it ideal for wet areas such as bathrooms, kitchens, and showers.
- Versatile Application: Compatible with a variety of substrates, including concrete, plywood, and existing tile, for seamless installation.
- Lightweight and Easy to Install: Designed for quick and simple application, saving time and effort on both residential and commercial projects.
- Mapei Adhesives, Sealants, Chemical Products for Building that are Designed for Easy, Efficient Application

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B081VV5CVT |
| Best Sellers Rank | #119,361 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #36 in Flooring Underlayments |
| Brand Name | Mapei |
| Color | Ligth Green |
| Customer Reviews | 4.6 4.6 out of 5 stars (12) |
| Finish Types | Uncoupling layer |
| Installation Method | Glue Down |
| Manufacturer | MAPEI |
| Manufacturer Part Number | 2850930 |
| Material Type | High-density polyethylene (HDPE) |
| Model Number | ABC |
| Pattern | Solid |
| Size | 323 sq ft |
| Style Name | Industrial |
| UPC | 093994285034 |
| Unit Count | 1 Count |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** Mapei
- **Color:** Ligth Green
- **Finish Type:** Uncoupling layer
- **Installation Type:** Glue Down
- **Material:** High-density polyethylene (HDPE)
- **Pattern:** Solid
- **Size:** 323 sq ft
- **Style:** Industrial
- **Unit Count:** 1 Count
- **Water Resistance Level:** Waterproof

## Images

![MAPEI Mapeguard UM Underlayment Membrane – High-Performance Ceramic Tile, Porcelain & Stone Crack-Isolation and Waterproofing Solution, 323 sq. ft. | No Curling, Waterproof Anti-Fracture Crack Isolation Underlayment Mat for Bathroom Floor Tiles, Ceramic, Concrete, Stone - Image 1](https://m.media-amazon.com/images/I/71wmRHTcmeL.jpg)

## Available Options

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

## Frequently Bought Together

- MAPEI Mapeguard UM Underlayment Membrane – High-Performance Ceramic Tile, Porcelain & Stone Crack-Isolation and Waterproofing Solution, 323 sq. ft.
- MAPEI Mapeguard ST Waterproofing Sealing Tape - 5.9inch x 98.4feet Roll

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**Shop now:** [https://www.desertcart.tn/products/286291196-mapei-mapeguard-um-underlayment-membrane-high-performance-ceramic-tile-porcelain](https://www.desertcart.tn/products/286291196-mapei-mapeguard-um-underlayment-membrane-high-performance-ceramic-tile-porcelain)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-04*