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StenCoat PU AIRBLOCK

Thixotropic Air, Water and Vapor Barrier

StenCoat® PU AIRBLOCK is a single-component, polyurethane-based, highly elastic, thixotropic and easy-to-use liquid membrane. It is used as an air, water and vapor barrier on all substrates; applied as a liquid, it forms a breathable, seamless, mold-resistant, elastic air and vapor barrier and a waterproof membrane. It creates a highly elastic membrane with crack-bridging ability and is mechanically resistant to outdoor conditions. StenCoat® PU AIRBLOCK complies with ASTM C 836 and the permeability requirements of ASTM E 2178.

Areas of Use

StenCoat® PU AIRBLOCK is used on walls and terraces that require an air and vapor barrier together with waterproofing properties. It can be applied to concrete, gypsum boards, natural stones, metal and wooden surfaces.

Features & Advantages

  • Polyurethane-based, elastomeric coating
  • Forms an air and vapor barrier
  • Forms a seamless, breathable, long-lasting waterproof membrane
  • Ready to use
  • Highly elastic with crack-bridging ability
  • Resistant to mold growth
  • Catalog colors are available
  • Easy to apply

Technical Data Sheet (TDS)

Waterproofing · Polyurethane-Based