Air and Vapor Barriers
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Air-Bloc® 33MR

UV-Resistant, Vapor Permeable Air and Weather Barrier Membrane

 
Air Barrier Brochure

Air Barrier
Brochure

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Henry Building Envelope Systems Brochure

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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
 
Air Barrier Brochure

Air Barrier
Brochure

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BES Brochure

Henry Building Envelope Systems Brochure

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Data Sheets

Air-Bloc® 33MR Data Sheet Download PDF Add to BES Binder    
 

MSDS Sheets

Air-Bloc® 33MR MSDS Sheet Download PDF Add to BES Binder    
 

Tech Talks

NFPA 285 Assemblies Download PDF Add to BES Binder    
Fastener penetrations through air barrier membranes Download PDF Add to BES Binder    
Meeting ASTM E2357 Download PDF Add to BES Binder    
FAQ about vapor permeable air barriers Download PDF Add to BES Binder    
FAQ about Air-Bloc® MR Download PDF Add to BES Binder    
Conversion Charts Download PDF Add to BES Binder    
Coatings and Sealants Download PDF Add to BES Binder    
         

Health Product Declaration

Air-Bloc® 33MR Health Product Declaration Download PDF Add to BES Binder    
         
 
Air Barrier Brochure

Air Barrier
Brochure

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BES Brochure

Henry Building Envelope Systems Brochure

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Specifications

Air-Bloc® 33MR Guide Spec Download Word File Add to BES Binder    
 

Architectural Details

AB-H130-33 Penetration Detail – Horizontal pipe Download PDF Add to BES Binder Download DWG Add to BES Binder
AB-H129-33 Corner Details – Exterior sheathing Download PDF Add to BES Binder Download DWG Add to BES Binder
AB-H128-33 Joint Treatment Details – Exterior gypsum sheating Download PDF Add to BES Binder Download DWG Add to BES Binder
AB-H124B-33 Sequence Detail – Steel Stud/Flanged window installation Download PDF Add to BES Binder Download DWG Add to BES Binder
AB-H124A-33 Sequence Detail – Steel Stud/Flanged window installation Download PDF Add to BES Binder Download DWG Add to BES Binder
AB-H123B-33 Sequence Detail – Steel Stud/Rebate window installation Download PDF Add to BES Binder Download DWG Add to BES Binder
AB-H123A-33 Sequence Detail – Steel Stud/Rebate window installation Download PDF Add to BES Binder Download DWG Add to BES Binder
AB-H117-33 Plan Details – Steel Stud/CMU wall Download PDF Add to BES Binder Download DWG Add to BES Binder


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