
Systems, materials and solutions
Aquastop Nanoflex

Aquastop Nanoflex
Aquastop Nanoflex is a certified, eco-friendly, breathable mineral waterproofing membrane designed for flexible, durable waterproofing of substrates prior to tiling.
Formulated with advanced nanotechnology, it delivers permanent elasticity, high chemical resistance, and superior adhesion, making it ideal for internal and external applications including balconies, terraces, wet areas and demanding environments.
Key Features
Flexible, crack-bridging membrane (≥ 0.75 mm)
Breathable structure with nano-porosity
High adhesion to cementitious substrates
Anti-alkali and chlorine resistant
Suitable for internal and external use
Ideal for use under tile adhesives (Biogel systems)
30% better coverage than traditional two-component systems
Suitable for overlaying existing tiled surfaces
VOC Ratings / Eco Notes
VOC Low Emission
Recyclable
Regional Mineral ≥ 60%
Recycled Mineral ≥ 30%
CO₂ Emission ≤ 250 g/kg
GreenBuilding Rating: 3
Certifications / Ratings
EN 14891 – CM O1P
EC1 Plus GEV Certified
Crack bridging (standard & low temp) ≥ 0.75 mm
Water resistance: No penetration
Breathability: ≥ 1 billion pores/cm²
Available In 20 kg bags
Technical Data
Thickness: min. 2 mm total (multi-coat system)
Application per coat: ≤ 1.5 mm
Pot Life: ≥ 1 hour
Application Temperature: +5°C to +35°C
Waiting Time Between Coats: ≥ 6 hours
Tiling Time: ≥ 24 hours
Full Service: approx. 7 days (14 days for permanent water)
Coverage: approx. 1.15 kg/m²/mm
Application Summary
Apply in two coats to achieve minimum 2 mm thickness
First coat: 1–2 mm, second coat: 2–3 mm continuous layer
Reinforce with Aquastop mesh/tape at joints and junctions
Suitable substrates must be cured, clean, and free from contaminants
Dampen absorbent substrates prior to application (no standing water)
Allow full curing before tiling or exposure to service conditions
Suitable Applications
Balconies, terraces, and podium decks
Wet areas (bathrooms, laundries)
Swimming pools (under tile systems)
Concrete, screeds, renders, and existing tiled surfaces
Façades and external waterproofing systems
Links to view / download specification details
