Mapei Uncoupling and Waterproofing Membrane, 30m x 1m, Suitable for Crack-Isolation Under Ceramic and Stone Flooring

Mapeguard UM 35 is a flexible, membrane-bound waterproofing liquid supplied as a 30 m × 1 m roll. It’s designed to protect against water infiltration on both above and below-ground substrates, and it’s suitable for indoor and outdoor applications. It’s EN 13914-1 certified and backed by a 30 SM guarantee.

Apply Mapeguard UM 35 in a single, continuous layer without the need for additional waterproofing materials or specialist skills. Prepare the substrate (clean and dry), roll out the membrane, press to bed it firmly, and ensure proper overlaps according to project guidelines. No complex layering is required for standard projects.

Key specs include a 30 m × 1 m roll size, flexible membrane-bound waterproofing liquid form, suitable for indoor and outdoor use, applicable to above- and below-ground applications, EN 13914-1 certified, rapid-hardening and shrinkage-compensated, and backed by a 30 SM guarantee.

Mapeguard UM 35 is designed for concrete and cementitious substrates typically found in both above-ground and below-ground constructions, and it can be applied in indoor or outdoor environments where waterproofing is required.

Mapeguard UM 35 offers a seamless, single-layer solution without seams, which can simplify installation and reduce potential leak points compared with traditional sheet membranes. For alternatives on Fepy, you might explore other membrane products such as Mapeguard UM 30 or Mapeguard UM 25, as well as broader options like Mapelastic AquaDefense, to suit specific project needs. Example alternatives on Fepy include: https://fepy.com/product/mapeguard-um-30 and https://fepy.com/product/mapeguard-um-25 and https://fepy.com/product/mapelastic-aquad-defense.

It’s well-suited for industrial floors, foundations, basements, and other structures requiring robust waterproofing protection, especially in challenging environments where a durable, flexible membrane is advantageous.

Yes. Use appropriate PPE such as gloves and eye protection, ensure good ventilation during application, avoid prolonged skin contact, and store the product in its original packaging away from children and extreme heat or cold. Follow standard material safety guidelines for liquid waterproofing membranes.

Yes. Mapeguard UM 35 is designed for indoor and outdoor applications and can be used on above- and below-ground substrates, providing reliable waterproofing across different environments.

Store Mapeguard UM 35 in its original packaging in a cool, dry place away from direct heat or flame. Keep it sealed when not in use. After installation, allow the membrane to cure as per project conditions before continuing with subsequent finishes or activities.

Mapeguard UM 35 is designed for single-layer application and generally does not require additional waterproofing materials. Depending on substrate conditions or project specifics, a primer or reinforcement may be recommended by the manufacturer, but the standard method emphasizes a single-layer seamless membrane.

Yes. Mapeguard UM 35 is certified to EN 13914-1, supporting its compliance and suitability for formal waterproofing applications.