Batimix PU Coating 420 W1

Single component, cold applied moisture-cured polyurethane waterproof coating


BATIMIX PU Coating 420 W1 is a reflective high performance, white elastomeric polyurethane coating. The product is a liquid cold applied moisture-cured waterproof coating with high durability and ultraviolet resistance.

Main Purpose

BATIMIX PU Coating 420 W1 is versatile and therefore suitable for various fields of use, such as:

  • Roofs, balconies, and terraces
  • Wet areas (bathrooms, kitchens, and balconies)
  • External facades of buildings, wooden and iron sheets
  • Planter boxes and green roofs
  • Protection over PU-spray foam
  • Concrete protection, bridge-decks, foundations, etc.
  • General waterproofing requirements


BATIMIX PU Coating 420 W1 adheres well to substrates, creating a long-lasting reflective waterproof and highly flexible seamless crack bridging membrane that cures by reaction with ground and air moisture. It withstands pedestrian and light vehicle traffic, acidic and alkali solutions, detergents, seawater, and oils.

BATIMIX PU Coating 420 W1 is UV resistant. It protects itself at temperatures between -30 °C to +90 °C. It is applied in the following areas:

  • roof-tops
  • balconies and terraces
  • pedestrian decks and walkways
  • wet areas such as under-tiles in bathrooms, balconies, and kitchens
  • external building facades, and wooden and iron sheets.

Damaged membranes can be repaired easily within minutes




White, Gray


  • 12KG Pail
  • 25KG Pail

Health & Safety

BATIMIX PU Coating 420 W1 should not be applied in closed areas because of the solvent scent. This product is flammable. Do not smoke while applying. Apply in open-air or air-conditioned areas. Use eye shields, gloves, and protective clothes. If the product touches the skin, wash with water and soap. Do not use empty packages for the storage of nutriment.