---
product_id: 286291196
title: "Mapeguard UM Underlayment Membrane – High-Performance Ceramic Tile, Porcelain & Stone Crack-Isolation and Waterproofing Solution, 323 sq. ft."
brand: "mapei"
price: "€ 1286.80"
currency: EUR
in_stock: true
category: "Mapei"
url: https://www.desertcart.gr/products/286291196-mapeguard-um-underlayment-membrane-high-performance-ceramic-tile-porcelain-stone
store_origin: GR
region: Greece
---

# Lightweight & easy install Advanced waterproofing barrier Superior crack isolation Mapeguard UM Underlayment Membrane – High-Performance Ceramic Tile, Porcelain & Stone Crack-Isolation and Waterproofing Solution, 323 sq. ft.

**Brand:** mapei
**Price:** € 1286.80
**Availability:** ✅ In Stock

## Summary

> 🛠️ Elevate your flooring game with MAPEI Mapeguard UM — where durability meets ease!

## Quick Answers

- **What is this?** Mapeguard UM Underlayment Membrane – High-Performance Ceramic Tile, Porcelain & Stone Crack-Isolation and Waterproofing Solution, 323 sq. ft. by mapei
- **How much does it cost?** € 1286.80 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/286291196-mapeguard-um-underlayment-membrane-high-performance-ceramic-tile-porcelain-stone)

## 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

- • **Waterproof Warrior:** Create a moisture barrier perfect for bathrooms, kitchens, and showers.
- • **Affordable Excellence:** Premium quality that outperforms pricier competitors without breaking the bank.
- • **Crack-Proof Confidence:** Protect your tile and stone from substrate cracks for lasting durability.
- • **Effortless Installation:** Lightweight design lets you cut and lay down quickly, saving precious time.
- • **Universal Compatibility:** Seamlessly installs over concrete, plywood, and existing tile surfaces.

## Overview

MAPEI Mapeguard UM is a high-density polyethylene underlayment membrane designed for crack isolation and waterproofing in ceramic tile, porcelain, and stone installations. Covering 323 sq. ft., it offers superior protection against substrate cracks and moisture, compatible with multiple substrates like concrete and plywood. Lightweight and easy to install, it delivers professional-grade performance at an affordable price, making it a top choice for both residential and commercial projects.

## 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 | #171,635 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #51 in Flooring Underlayments |
| Brand Name | Mapei |
| Color | Ligth Green |
| Customer Reviews | 4.6 4.6 out of 5 stars (14) |
| Finish Types | Uncoupling layer |
| Installation Method | Glue Down |
| Item Weight | 39.7 pounds |
| Manufacturer | MAPEI |
| Manufacturer Part Number | 2850930 |
| Material Type | High-density polyethylene (HDPE) |
| Model Number | ABC |
| Pattern | Solid |
| Size | 323 sq ft |
| Style Name | Classic |
| 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
- **Item Weight:** 39.7 pounds
- **Material:** High-density polyethylene (HDPE)
- **Pattern:** Solid
- **Size:** 323 sq ft
- **Style:** Classic
- **Unit Count:** 1 Count

## Images

![Mapeguard UM Underlayment Membrane – High-Performance Ceramic Tile, Porcelain & Stone Crack-Isolation and Waterproofing Solution, 323 sq. ft. - 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.gr/products/286291196-mapeguard-um-underlayment-membrane-high-performance-ceramic-tile-porcelain-stone](https://www.desertcart.gr/products/286291196-mapeguard-um-underlayment-membrane-high-performance-ceramic-tile-porcelain-stone)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-11-03*