Air-Bloc 17MR
Air-Bloc 17MR
Fluid-Applied Vapor Permeable Air Barrier
Spray-, roll- or brush-applied, Henry’s Air-Bloc 17MR is a one-component, rubberized membrane that provides an air barrier when applied to a range of construction surfaces. Air-Bloc 17MR can be applied down to 20°F (-6°C) and cures to a tough, monolithic rubber-like membrane.
Sizes Available:
5 gal
55 gal
Product Details
- Product #HE017
Air-Bloc 17MR is a liquid-applied, elastomeric membrane designed to provide a vapor-permeable air and water barrier when applied to above-grade wall assemblies. It is single component, water-based, and cures to a tough monolithic rubber-like membrane, which resists air leakage and water penetration. Air-Bloc® 17MR includes antimicrobial technology to create an integral mold-resistant membrane, and offers a broad application temperature range with proprietary fire resistance technology to achieve compliance with stringent NFPA 285 requirements.
- Excellent adhesion to most construction surfaces such as exterior gypsum boards, CMU, concrete, stone, wood and metal
- Excellent adhesion to most wall construction surfaces – can be applied to damp concrete
- Meets highest industry performance standards
- Vertical and lateral flame propagation: meets NFPA 285 Exception #2 per ASTM E1354 and ASTM E84
Air-Bloc 17MR is used in the construction of high-performance wall assemblies requiring vapor permeability in an air and water barrier. Air-Bloc 17MR is integrated with Henry® flashings and accessories as part of a complete wall system meeting the highest industry performance standards. Air-Bloc 17MR is commonly used on variety of wall substrates and sheathing prior to installation of exterior insulation and cladding.
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Low temperature application down to 20°F (-6°C) with no additives required
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Proprietary fire resistant technology provides superior fire performance with ASTM E1354
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Seamless, vapor permeable elastomeric membrane for above grade walls
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Easy, low cost spray application using simple equipment
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Integral mold resistant formulation
Technical & Installation
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Air-Bloc 17MR Spec Sheet
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AB17MR-1A Wall Foundation Slab Below Grade
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AB17MR-1B Wall Foundation Slab on Grade
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AB17MR-1C Wall Foundation Transition No Brick Ledge
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AB17MR-2A Pipe Penetration 0.5 Inch Wide Gap Max
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AB17MR-2B Pipe Penetration 0.75 Inch Wide Gap Max
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AB17MR-3A-1 Inside and Outside Corners
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AB17MR-3A-2 Inside and Outside Corners
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AB17MR-3B Inside and Outside Corners
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AB17MR-3C Typical Soffit
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AB17MR-4A Substrate Transition
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AB17MR-4B Substrate Transition
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AB17MR-4C Substrate Transition
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AB17MR-5A Thru-Wall Flashing
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AB17MR-6A-A Flanged Window Section Method A
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AB17MR-6A-C Flanged Window Sequence Installation Method A
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AB17MR-6A1-A Flanged Window Section Method A1
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AB17MR-6A1-C Flanged Window Sequence Installation Method A1
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AB17MR-6B-A Non-Flanged Window Section Method B
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AB17MR-6B-C Non-Flanged Window Sequence Installation Method B
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AB17MR-6B1-A Non-Flanged Window Section Method B1
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AB17MR-6B1-C Non-Flanged Window Sequence Installation Method B1
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AB17MR-6C Door Frame Section
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AB17MR-7A1 Reverse Lap
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AB17MR-8A Construction Joints 0.5 Inch Gap Max
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AB17MR-8B1 Construction Joints 1 Inch Gap Max
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AB17MR-8C1 Construction Joints 2 Inch Gap Max
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AB17MR-8DA Deflection Joint
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AB17MR-8E Cracks 0.5 Inch Gap Max
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AB17MR-9A Roofing Wrapping Parapet
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AB17MR-9B Air Barrier Transition at Parapet
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AB17MR-TID3A Air-Bloc 17MR transition with Pumadeq System
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Henry Air Barrier and Waterproofing Membranes Earn Living Building Challenge Declare "Red List Free" Status
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NFPA 285 Assemblies
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Henry Air Barriers NFPA 285 Exception 2
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Fastener penetrations through air barrier membranes
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Henry Air Barrier Assemblies Meet ASTM E2357
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Conversion Charts
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Coatings and Sealants
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Henry® Living Building Challenge Red List
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System Products