---
product_id: 135308315
title: "MAPEI Mapelastic WaterStop, Liquid-Rubber Waterproofing & Crack-Isolation Membrane, use Under Tile or Stone, Prevents in-Plane Floor Cracks (up to 1/8\" [3 mm]). 1 Gallon (3.79l) jug"
brand: "mapei"
price: "€ 179.06"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/135308315-mapei-mapelastic-waterstop-liquid-rubber-waterproofing-and-crack-isolation-membrane
store_origin: NL
region: Netherlands
---

# 100% waterproof barrier fast-drying in 60-90 mins bridges cracks up to 3mm MAPEI Mapelastic WaterStop, Liquid-Rubber Waterproofing & Crack-Isolation Membrane, use Under Tile or Stone, Prevents in-Plane Floor Cracks (up to 1/8" [3 mm]). 1 Gallon (3.79l) jug

**Brand:** mapei
**Price:** € 179.06
**Availability:** ✅ In Stock

## Summary

> 💧 Seal the deal with speed and strength—waterproofing redefined!

## Quick Answers

- **What is this?** MAPEI Mapelastic WaterStop, Liquid-Rubber Waterproofing & Crack-Isolation Membrane, use Under Tile or Stone, Prevents in-Plane Floor Cracks (up to 1/8" [3 mm]). 1 Gallon (3.79l) jug by mapei
- **How much does it cost?** € 179.06 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/135308315-mapei-mapelastic-waterstop-liquid-rubber-waterproofing-and-crack-isolation-membrane)

## 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

- • **User-Friendly & Clean:** Easy roller or brush application with water cleanup—professional results without the hassle.
- • **Versatile Application:** Ideal for residential, commercial, and industrial floors, walls, ceilings, and submerged areas.
- • **Crack Isolation Mastery:** Effectively bridges non-structural cracks up to 1/8" (3 mm) to keep surfaces flawless.
- • **Fast-Track Your Project:** Tile installation ready in just 1 hour—no more waiting days to proceed.
- • **Ultimate Waterproof Shield:** Protect floors and walls from water damage with a seamless liquid-rubber membrane.

## Overview

Mapei Mapelastic WaterStop is a premium liquid-rubber waterproofing and crack-isolation membrane designed for under-tile or stone installations. It creates a flexible, fast-drying, and fully waterproof barrier that prevents water damage and bridges floor cracks up to 3 mm. Suitable for a wide range of residential, commercial, and industrial applications, it accelerates project timelines with tile-ready surfaces in as little as 60 minutes.

## Description

MAPEI Mapelastic WaterStop, Liquid-Rubber Waterproofing & Crack-Isolation Membrane, use Under Tile or Stone, Prevents in-Plane Floor Cracks (up to 1/8" [3 mm]). 1 Gallon (3.79l) jug

## Features

- Use in residential and commercial interior/exterior floors, walls and ceilings, industrial interior floors and walls, kitchens, food prep, dishwashing, cafeteria areas, bathroom tub and shower surrounds, countertops and laundry rooms
- For residential and commercial submerged applications: Freshwater pools, fountains and water features (must be covered by ceramic tile)
- Use for cantilevered balconies and decks over unoccupied space
- Bridges in-plane crack isolation up to 1/8" (3 mm) over nonstructural cracks
- MAPEI’s Reinforcing Fabric ( sold separately) is available but optional for use on coves, corners and eld application.
- Fast-drying: Install tile after 60 to 90 minutes of drying time.
- Flood-test as a shower-pan liner after 12 hours of drying time.
- Easy to apply with roller or brush; water cleanup, bonds to a wide range of surfaces; convenient, user-friendly and versatile
- Bonds to a wide range of surfaces; convenient, user-friendly and versatile

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Rubber |
| Brand | Mapei |
| Style | Compact |
| Water Resistance Level | Waterproof |
| Item Form | Liquid |
| UPC | 093994734563 |
| Unit Count | 128.0 Fluid Ounces |
| Number of Items | 1 |
| Surface Recommendation | Tile |
| Package Dimensions | 8.35 x 8.31 x 7.48 inches |
| Item Weight | 11.84 pounds |
| Manufacturer | Mapei |
| ASIN | B07NHT6KW3 |
| Date First Available | February 8, 2019 |

## Product Details

- **Material:** Rubber
- **Brand:** Mapei
- **Style:** Compact
- **Water Resistance Level:** Waterproof
- **Item Form:** Liquid

## Images

![MAPEI Mapelastic WaterStop, Liquid-Rubber Waterproofing & Crack-Isolation Membrane, use Under Tile or Stone, Prevents in-Plane Floor Cracks (up to 1/8" [3 mm]). 1 Gallon (3.79l) jug - Image 1](https://m.media-amazon.com/images/I/710QvrpzB6L.jpg)

## Questions & Answers

**Q: What area does 1ga cover**
A: great product

## Frequently Bought Together

- MAPEI Mapelastic WaterStop, Liquid-Rubber Waterproofing & Crack-Isolation Membrane, use Under Tile or Stone, Prevents in-Plane Floor Cracks (up to 1/8" [3 mm]). 1 Gallon (3.79l) jug
- XFasten Waterproofing Membrane Sheet, 6” x 75 Ft Shower Waterproofing Membrane Tape for Underlayment Tile, EPDM Underlayment, Cement Board Tape

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**Shop now:** [https://www.desertcart.nl/products/135308315-mapei-mapelastic-waterstop-liquid-rubber-waterproofing-and-crack-isolation-membrane](https://www.desertcart.nl/products/135308315-mapei-mapelastic-waterstop-liquid-rubber-waterproofing-and-crack-isolation-membrane)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-27*