Mapei Mapelastic Series | Cement-Based Flexible Waterproofing Mortars: Mapelastic, Mapelastic Smart, Mapelastic Turbo, Mapelastic AquaDefense

30/07/2026

Mapei Mapelastic Series | Cement-Based Flexible Waterproofing Mortars: Mapelastic, Mapelastic Smart, Mapelastic Turbo, Mapelastic AquaDefense

Mapei Mapelastic Series: Flexible Waterproofing Systems for Professional Protection

Waterproofing plays a critical role in the durability of buildings and the comfort of interior spaces. Areas continuously exposed to water, such as bathrooms, terraces, balconies, swimming pools, and façades, require highly elastic waterproofing systems to ensure long-lasting performance.

The Mapei Mapelastic range consists of cement-based, two-component waterproofing mortars with excellent flexibility. Thanks to their crack-bridging capability, high adhesion, and freeze-thaw resistance, these products are widely used in both residential and commercial construction projects.

Mapei Mapelastic

Mapei Mapelastic is one of Mapei’s most recognized waterproofing mortars. It is a two-component, polymer-modified, cement-based system that can be applied using a brush or trowel.

Applications

  • Balconies and terraces
  • Bathrooms and shower areas
  • Concrete surfaces
  • Under-tile waterproofing systems

Advantages

  • Easy to apply
  • Resistant to freeze-thaw cycles
  • Suitable for ceramic and tile installations
  • Provides excellent adhesion

Mapei Mapelastic Smart

Mapelastic Smart offers greater flexibility and allows thinner applications compared to standard Mapelastic. It is particularly suitable for detailed waterproofing work and projects requiring reduced application thickness.

Features

  • Thin-layer application up to 1.5 mm
  • Excellent crack-bridging performance
  • Can be applied on suitable substrates without a primer

Applications

  • Terraces
  • Roof gardens
  • Pool surrounds
  • Large façade surfaces

Mapei Mapelastic Foundation

Mapelastic Foundation is specifically developed for below-grade waterproofing applications. It provides resistance against both positive and negative water pressure.

Features

  • Two-component waterproofing system
  • Resistant to moisture and hydrostatic pressure
  • Can be reinforced with mesh when required

Applications

  • Foundation waterproofing
  • Basement exterior walls
  • Retaining walls and concrete structures below ground level

Mapei Mapelastic Turbo

Mapelastic Turbo is the fast-curing version of the Mapelastic system, making it ideal for projects with tight schedules.

Key Features

  • Can be covered after approximately 4–6 hours
  • Rapid protection against unexpected rainfall
  • Excellent adhesion to concrete substrates

Mapei Mapelastic AquaDefense

Mapelastic AquaDefense is a ready-to-use, single-component, water-based liquid waterproofing membrane. It is particularly popular for interior wet-area applications.

Applications

  • Interior bathrooms
  • Under-tile waterproofing systems
  • Gypsum board surfaces
  • Residential terraces

Advantages

  • No primer required on many substrates
  • Easy application with roller or brush
  • Low VOC content and virtually odorless

Shared Technical Features of the Mapelastic Series

FeatureDescription
Layer Thickness1.5–2.5 mm (depending on product)
Crack Bridging AbilityHigh
Freeze-Thaw ResistanceYes
AdhesionExcellent, suitable under ceramic tiles
Solvent ContentNone
VOC EmissionsLow

Application Procedure

1. Surface Preparation

The substrate must be clean, sound, and level. Any damaged areas should be repaired with suitable repair mortars before waterproofing.

2. Mixing (For Two-Component Products)

Mix the powder component (Part A) and liquid component (Part B) using a low-speed mixer until a smooth, homogeneous consistency is achieved.

3. Application

Apply at least two coats using a brush, trowel, or roller. Allow sufficient drying time between coats according to the product specifications.

4. Reinforcement of Critical Details

Corners, joints, and transitions should be reinforced with elastic waterproofing tapes such as Mapeband. Reinforcement mesh may also be incorporated where required.

5. Drying and Finishing

Standard Mapelastic products can generally be covered after approximately 24 hours. With Mapelastic Turbo, this period may be reduced to as little as 4–6 hours.


Frequently Asked Questions (FAQ)

Can Mapelastic products be used beneath ceramic tiles?

Yes. All products in the Mapelastic range provide a suitable waterproof substrate for ceramic, porcelain, and natural stone installations.

Can AquaDefense be used outdoors?

It can be used in limited exterior applications; however, surfaces exposed to UV radiation should be protected with a suitable covering.

Is reinforcement mesh mandatory?

Not always. It is recommended for large surfaces and areas exposed to high water pressure but may not be necessary for smaller applications.


Conclusion

The Mapei Mapelastic series delivers reliable, flexible, and long-lasting waterproofing solutions for balconies, terraces, bathrooms, swimming pools, foundations, and other water-exposed structures.

Selecting the right product for each project improves application quality while ensuring long-term protection against water infiltration. Developed for professional use, the Mapelastic range provides a high-performance waterproofing solution for both residential and commercial construction projects.