K11 Waterproof Coating System

Product Overview

A dual-component cementitious coating composed of:

Part A: Polymer-modified emulsion (organic components)

Part B: Premium cement + selected fillers
Formulated in two specialized grades:

Technical Features

General Purpose Grade

Substrate versatility (concrete, masonry, plaster)

Negative-side water pressure resistance

Seamless impermeability (potable water safe - EN 1504-2)

Damp-surface application capability

Flexible Grade

250% elongation capacity (EN 14891)

Accommodates structural movement ≤2mm

Chemical resistance (acids/alkalis, pH 3-11)

Thermal cycling stability (-25°C to +80°C)

Performance Specifications

Applications

General Purpose Grade

Interior wet areas: Kitchens, bathrooms, balconies

Water containment: Swimming pools, potable water tanks (WRAS certified)

Underground structures: Parking garages, tunnels, drainage systems

Flexible Grade

Dynamic substrates: Factory floors, expansion joints

Below-grade applications: Foundations, retaining walls

Industrial environments: Chemical plants, wastewater facilities

Application Guidelines

Surface Prep: SSPC-SP 13/NACE No. 6 standard

Mixing Ratio: 4:1 (Part B : Part A) by weight

Curing: 72h @ >10°C & >65% RH

Coverage: 1.6 kg/m²/mm thickness