Air-Bloc® 33MR

UV-Resistant, Vapor Permeable Air and Weather Barrier Membrane

Air-Bloc<sup>®</sup> 33MR

Air-Bloc® 33MR

UV-Resistant, Vapor Permeable Air and Weather Barrier Membrane

Henry Air-Bloc® 33MR is a UV-resistant, one-component, elastomeric membrane that provides an air barrier on a range of construction surfaces. Liquid-applied with a trowel or spray, Air-Bloc® 33MR cures to a tough, monolithic rubber-like membrane that resists air leakage along with UV radiation and weather.

Features

  • Seamless, UV-resistant elastomeric membrane bridges cracks
  • Adheres to most construction surfaces, including block, concrete, stone, wood and metal
  • Can be applied to damp concrete
  • Contains no organic solvents
  • Integral mold resistant formulation as per ASTM D5990

Packaging

  • Available in 5-gallon pails or 55-gallon drums

Complete the system

Literature

  • Installation and Technical Literature

    Air-Bloc® 33MR Data Sheet Click to download  

    Air-Bloc® 33MR SDS Sheet Click to download  

    Air-Bloc® 33MR Health Product Declaration Click to download  

  • Tech-Talks

    NFPA 285 Assemblies Click to download

    Fastener penetrations through air barrier membranes Click to download

    Meeting ASTM E2357 Click to download

    FAQ about vapor permeable air barriers Click to download

    Conversion Charts Click to download

    Coatings and Sealants Click to download

  • Specifications

    Air-Bloc® 33MR Guide Spec Click to download  

  • Architectural Details

    AB-H130-33 Penetration Detail – Horizontal pipe pdf cad

    AB-H129-33 Corner Details – Exterior sheathing pdf cad

    AB-H128-33 Joint Treatment Details – Exterior gypsum sheating pdf cad

    AB-H124B-33 Sequence Detail – Steel Stud/Flanged window installation pdf cad

    AB-H124A-33 Sequence Detail – Steel Stud/Flanged window installation pdf cad

    AB-H123B-33 Sequence Detail – Steel Stud/Rebate window installation pdf cad

    AB-H123A-33 Sequence Detail – Steel Stud/Rebate window installation pdf cad

    AB-H117-33 Plan Details – Steel Stud/CMU wall pdf cad

  • LEED Declarations

    Air-Bloc® 33 LEED Declarations Click to download

  • Health Product Declarations

    Air-Bloc® 33MR Health Product Declaration Click to download