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.
Air-Bloc® 33MR Data Sheet
Air-Bloc® 33MR SDS Sheet
Air-Bloc® 33MR Health Product Declaration
NFPA 285 Assemblies
Fastener penetrations through air barrier membranes
Henry® Air Barrier Assemblies Meet ASTM E2357
Conversion Charts
Coatings and Sealants
Air-Bloc® 33MR Guide Spec
AB-H130-33 Penetration Detail – Horizontal pipe
AB-H129-33 Corner Details – Exterior sheathing
AB-H128-33 Joint Treatment Details – Exterior gypsum sheating
AB-H124B-33 Sequence Detail – Steel Stud/Flanged window installation
AB-H124A-33 Sequence Detail – Steel Stud/Flanged window installation
AB-H123B-33 Sequence Detail – Steel Stud/Rebate window installation
AB-H123A-33 Sequence Detail – Steel Stud/Rebate window installation
AB-H117-33 Plan Details – Steel Stud/CMU wall
AB33MR-TID3A Air-Bloc 33MR transition with Pumadeq System
Air-Bloc® 33 LEED Declarations
Air-Bloc® 33MR Health Product Declaration