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InteriorInterior
Mapelastic AquaDefense
Description

Ready to use rapid-drying liquid membrane for waterproofing damp areas such as bathrooms, showers, laundries, saunas, balconies and terraces before installing dressing material.

Residual GreenHouse Gas emissions measured throughout the life cycle of this product using Life Cycle Assessment (LCA) methodology, verified and certified with EPDs, have been offset for the year 2026 through the acquisition of carbon credits in support of forestry protection projects.

Key Features
  • Mapelastic AquaDefense is ready to use.
  • Mapelastic AquaDefense is a rapid product.
  • BRANZ Appraised
  • Resists rainwater 1 hour after applying the first coat and 3 hours after applying the second coat.
  • Ceramic can be bonded after 4 hours (at +23°C and 50% R.H. when applied on a dry screed with less than 3% residual moisture).
  • Mapelastic AquaDefense is elastic at +23°C. It has 3.2mm crack-bridging capacity without reinforcement
Scope of Use

Waterproofing before applying ceramic, stone, and mosaic coverings in:

  • Bathrooms and shower cubicles;
  • Laundry rooms;
  • Saunas and damp environments in general;
  • Balconies and terraces.

Mapelastic Aquadefense can be applied on:

  • Concrete;
  • Cementitious screeds and screeds made using special binders (Topcem, Mapecem, or Mapecem Pronto);
  • Plasterboard (for application in interior only);
  • Old ceramic tiles, terrazzo, and stone material;
  • Cementitious render
Limitations on Use
  • Do not apply Mapelastic AquaDefense if the temperature is lower than +5°C.
  • Mapelastic AquaDefense must always be covered with ceramic, mosaic or stone.
  • Do not apply Mapelastic AquaDefense on cementitious substrates with residual humidity higher than 3% or subject to recurring rising damp.
  • Do not apply Mapelastic AquaDefense on crumbly cementitious substrates, old floors that are not well bonded to the substrate or surface treatments which could affect the bond.
  • Do not use Mapelastic AquaDefense to cover cracks.
  • Protect the surface from rain for at least 1 hour after applying the first coat and 3 hours after applying the second coat (times refer to +23°C and 50% relative air humidity when the product is applied on dried screeds with residual moisture lower than 3%).
Statement of Building Code Compliance

In the opinion of BRANZ, Mapegum WPS, Mapelastic, Mapelastic Smart and Mapelastic AquaDefense Wet Area Membranes, if designed, used, installed and maintained in accordance with the statements and conditions of this Appraisal, will meet the following provisions of the NZBC:

  • Clause B2 DURABILITY: Performance B2.3.1 (b) 15 years and B2.3.2. Mapegum WPS, Mapelastic, Mapelastic Smart and Mapelastic AquaDefense Wet Area Membranes meet these requirements.
  • Clause E3 INTERNAL MOISTURE: Performance E3.3.6. Interior wet area floors and walls incorporating Mapegum WPS, Mapelastic, Mapelastic Smart and Mapelastic AquaDefense Wet Area Membranes will meet this requirement.
  • Clause F2 HAZARDOUS BUILDING MATERIALS: Performance F2.3.1. Mapegum WPS, Mapelastic, Mapelastic Smart and Mapelastic AquaDefense Wet Area Membranes meet this requirement

See BRANZ Appraisal 848 for full information.

Other Performance Attributes
  • Residual GreenHouse Gas emissions measured throughout the life cycle of this product using Life Cycle Assessment (LCA) methodology, verified and certified with EPDs, have been offset for the year 2026 through the acquisition of carbon credits in support of forestry protection projects.
BRANZ Appraised
BRANZ Appraised
EPD
Environmental Product Declaration (EPD)
Documents
BRANZ Appraisal 484
Safety Data Sheet Mapelastic Aquadefense

Version 2 (2025)

Technical Data Sheet Mapelastic Aquadefense
Environmental Product Declaration Mapelastic Aquadefense
Health Product Declaration Mapelastic Aquadefense
Volatile Organic Compound Emissions Mapelastic Aquadefense

Mapei have over 80 years of experience, with innovative quality adhesives, sealants and chemical products and systems for the building industry.

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