Airlok Flex® WG & WG LT

Air Barrier Systems provide the only effective defense against air leakage and moisture intrusion. Airlok Flex® WG (Weather Guard) is a water-based, permeable, above-grade air, weather and vapor coating for application over poured concrete, concrete masonry (CMU) and the following types of sheathing: paper-face, glass-face, foil-face, rigid insulation, plywood and oriented strand board (OSB).  Airlok Flex® WG contains a non-combustible, water-based blend of high-performance elastomeric acrylic polymers and selected fillers with a VOC content of 79 g/l. Polyguard sets the bar high for long-term UV resistance with Airlok Flex® WG being UV resistant for up to two years.

Polyguard offers the barrier systems professionals trust for superior performance, unmatched protection and ease of use.  So when your project calls for an above grade fluid applied, permeable Air Barrier reach for Airlok Flex® WG.

FEATURES & BENEFITS

  • Forms a durable protection with up to 100 PSI adhesive pull-off strength
  • Blocks inward moving water from penetrating through the coating to the substrate, and reduces energy loss
  • Low cost per square foot
  • UV resistance of up to two years
  • Easy to prep, easy to spray or roll and easy to clean up, saving hours and dollars
  • Available in Low Temperature (LT) version with use in temperatures 20°F and rising

Photo Gallery

Companion Products

(where applicable)

Product Resources

FileAction
Data Sheet - WG (PDF)Download 
Data Sheet - WG LT (PDF)Download 
Guide Spec (PDF)Download 
Guide Spec (WORD)Download 
Materials List (PDF)Download 
Features & Benefits (PDF)Download 
SDS - WG (PDF)Download 
SDS - WG LT (PDF)Download 
Standard Details (PDF)

Joints

File Action
PGArch Detail AFFP09 Vapor Permeable Airlok Flex Series Substrate Joint 06192020 Download 
PGArch Detail AFFP10 Vapor Permeable Airlok Flex Series Transition Joint 06192020 Download 
PGArch Detail AFFP11 Vapor Permeable Airlok Flex Series Expansion Joint 06192020 Download 

Penetrations

File Action
PGArch Detail AFFP06A Vapor Permeable Airlok Flex Series Penetration 06192020 Download 
PGArch Detail AFFP06B Vapor Permeable Airlok Flex Series Penetration Isometric 06192020 Download 

Transitions

File Action
PGArch Detail AFFP01 Vapor Permeable Airlok Flex Series Wall&Fndn 06192020 Download 
PGArch Detail AFFP02 Vapor Permeable Airlok Flex Series Floor Transition 06192020 Download 

Walls

File Action
PGArch Detail AFFP07 Vapor Permeable Airlok Flex Series Corner 06192020 Download 
PGArch Detail AFFP08 Vapor Permeable Airlok Flex Series Parapet 06192020 Download 

Windows

File Action
PGArch Detail AFFP03 Vapor Permeable Airlok Flex Series Window Header 06192020 Download 
PGArch Detail AFFP04 Vapor Permeable Airlok Flex Series Window Jamb 06192020 Download 
PGArch Detail AFFP05 Vapor Permeable Airlok Flex Series Window Sill 06192020 Download 
Standard Details (DWG)

To obtain a DWG detail, you must:
Right click on button & select

Joints

File Action
PGArch Detail AFFP09 Vapor Permeable Airlok Flex Series Substrate Joint 06192020 Download 
PGArch Detail AFFP10 Vapor Permeable Airlok Flex Series Transition Joint 06192020 Download 
PGArch Detail AFFP11 Vapor Permeable Airlok Flex Series Expansion Joint 06192020 Download 

Penetrations

File Action
PGArch Detail AFFP06A Vapor Permeable Airlok Flex Series Penetration 06192020 Download 
PGArch Detail AFFP06B Vapor Permeable Airlok Flex Series Penetration Isometric 06192020 Download 

Transitions

File Action
PGArch Detail AFFP01 Vapor Permeable Airlok Flex Series Wall&Fndn 06192020 Download 
PGArch Detail AFFP02 Vapor Permeable Airlok Flex Series Floor Transition 06192020 Download 

Walls

File Action
PGArch Detail AFFP07 Vapor Permeable Airlok Flex Series Corner 06192020 Download 
PGArch Detail AFFP08 Vapor Permeable Airlok Flex Series Parapet 06192020 Download 

Windows

File Action
PGArch Detail AFFP03 Vapor Permeable Airlok Flex Series Window Header 06192020 Download 
PGArch Detail AFFP04 Vapor Permeable Airlok Flex Series Window Jamb 06192020 Download 
PGArch Detail AFFP05 Vapor Permeable Airlok Flex Series Window Sill 06192020 Download 

Product Submittals

For a job-specific submittal package, please contact Polyguard for Product Submittal Requests. Click here to find your area’s field representative.

650 LT Liquid Adhesive Used to prime all structural concrete, masonry, or wood surfaces prior to membrane installation.
650 WB Liquid Adhesive Used to prime all structural concrete, masonry, or wood surfaces on which Polyguard Membranes will be applied.
Airlok® Sheet 200 BU/NP 28-mil butyl, self-adhesive, non-permeable sheet membrane. 60-day UV exposure with broad in-surface temperature up to 240°F.
Airlok® Sheet UV 200 BU/NP 28-mil butyl, non-permeable sheet membrane with a foil/polyscrim backing. 1-year UV exposure with broad in-surface temperature up to 240°F.
Airlok® Sheet 400 HT/NP 40-mil modified asphalt, high temperature, self-adhesive, non-permeable sheet membrane. 60-day UV exposure.
Airlok® Sheet 400 NP 40-mil modified asphalt, self-adhesive, non-permeable sheet membrane. 60-day UV exposure.
Airlok® Sheet UV 400 NP 40-mil modified asphalt, self-adhesive, non-permeable sheet membrane with foil/polyscrim film backing. 1-year UV exposure.
Airlok® Sheet UV Ultra 400 NP 40-mil modified asphalt, self-adhesive, non-permeable sheet membrane with durable foil facing backing. 2-year UV exposure.
Airlok® STPE Detail-N-Joint Fluid-applied, fiber-filled joint filler. Detailing compound used at transitions in the building process. Compatible with most building materials.
Can be used on wet/damp surfaces.
Airlok® STPE Flash-N-Roll Fluid-applied WRB (Rolled on) and Window flashing. Durable, compatible with most building materials, can be used on wet/damp surfaces.
Airlok® STPE Gun-N-Spread Fluid-applied flashing material. Troweled on above grade Window/Door rough openings. Compatible with most building materials.
Can be used on wet/damp surfaces.
Detail Sealant PW™ VOC/HAPS-free high performance solvent-free sealant.
Quick Grip Adhesive Industrial-grade aerosolized adhesive in a portable spray system.
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