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Henry Air-Bloc 16MR is a Low-Temp Liquid Emulsion Vapor Impermeable Air Barrier Membrane


Henry Air-Bloc 16MR is a liquid-applied, vapor impermeable air and water barrier when applied to above-grade wall assemblies. It is single-component, water-based and cures to a tough monolithic rubber-like membrane, which resists air leakage and water penetration. Air-Bloc 16MR includes an antimicrobial technology to create an integral mold resistant membrane, and offers a broad application temperature range with a proprietary fire resistance technology to achieve compliance with stringent NFPA 285 requirements.


  • Low temperature application 20°F (-6°C) and rising with no additives required
  • Seamless, vapor impermeable elastomeric membrane for above grade walls
  • Excellent adhesion to most construction surfaces such as exterior gypsum boards, CMU, concrete, stone, wood and metal
  • Meets highest industry performance standards


  • 5 gallon (18.82 L) pails
  • 55 gallon (205 L) drums
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