Air-Bloc® 21 is a trowel consistency, solvent-type, synthetic rubber-based insulation adhesive formulated for easy application on a range of construction surfaces.
Air-Bloc® 21 is designed to provide an effective air and vapor barrier when used as a full bed adhesive in conjunction with rigid foam or semi-rigid paper-faced insulation. Also available as a fire-resistive air and vapor barrier, Air-Bloc® 21FR is used as a full bed adhesive in conjunction with rigid foam or semi-rigid paper-faced insulation.
Air-Bloc® 21 Data Sheets
Air-Bloc® 21FR Data Sheets
Air-Bloc® 21 SDS Sheet
Air-Bloc® 21FR SDS Sheet
Air-Bloc® 21 Health Product Declaration
Air-Bloc® 21FR Health Product Declaration
NFPA 285 Assemblies
Use of Masonry Anchors
Conversion Charts
Coatings and Sealants
Henry® Living Building Challenge Red List
Air-Bloc® 21 Spec Sheet
AB-H101 Parapet Details – Brick Veneer/Steel Stud
AB-H102 Parapet Details – Brick Veneer/CMU
AB-H105 Shelf Angle Details – Brick Veneer/Steel Stud
AB-H106 Shelf Angle Details – Brick Veneer/CMU
AB-H111 Commercial Window Details – Window A – Brick Veneer/CMU
AB-H112 Commercial Window Details – Window B - Brick Veneer/CMU
AB-H109 Foundation Wall Details – Brick Veneer/CMU
AB-H115 Plan Details – Brick Veneer/CMU Control/Expansion Joint
AB-H117 Plan Details – Stucco/Steel Stud/CMU
Air-Bloc® 21 Adhesives and Sealants LEED Declarations
Air-Bloc® 21FR Adhesives and Sealants LEED Declarations
Air-Bloc® 21 Air Barriers – Liquid-applied LEED Declarations
Air-Bloc® 21FR Air Barriers – Liquid-applied LEED Declarations
Air-Bloc® 21 Health Product Declaration
Air-Bloc® 21FR Health Product Declaration