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Waterproofing & Roof Protection

Roofex PU 400
ROOFEX-PU-400

Promaster Roofex PU 400 is a liquid-applied, highly elastic polyurethane-based waterproofing membrane designed for long-term surface protection. Developed using advanced hydrophobic polyurethane dispersion technology, it delivers excellent resistance to UV exposure, chemicals, and mechanical stress.

Overview

Key Features

  • UV-resistant, suitable for exposed surfaces
  • Excellent water resistance and weather durability
  • Flexible membrane with high crack-bridging capability
  • Easy to apply using roller or airless spray
  • Water-based formulation with low VOC content
  • Strong adhesion to common construction substrates
  • Resistant to peeling and surface degradation
  • Long-lasting performance under harsh conditions

Use Cases

Application Areas

  • Roof waterproofing for both insulated and non-insulated systems
  • Protection of polyurethane foam insulation
  • Metal roof waterproofing systems
  • Concrete roof slabs and structures
  • External façade waterproofing

Technical

Specifications

Coverage
Around 2 m² per litre at 500 microns dry film thickness
Packaging
20L