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

    Henry® Air Barrier Assemblies Meet 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

    AB33MR-TID3A Air-Bloc 33MR transition with Pumadeq System pdf cad

  • LEED Declarations

    Air-Bloc® 33 LEED Declarations Click to download

  • Health Product Declarations

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