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)
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.
Detail Sealant PW™ VOC/HAPS-free high performance solvent-free sealant.

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

Joints

FileAction
PGArch Detail AFFP09 Vapor Permeable Airlok Flex Series Substrate Joint 02102022.pdfDownload
PGArch Detail AFFP10 Vapor Permeable Airlok Flex Series Transition Joint 02102022.pdfDownload
PGArch Detail AFFP11 Vapor Permeable Airlok Flex Series Expansion Joint 02102022.pdfDownload

Penetrations

FileAction
PGArch Detail AFFP06A Vapor Permeable Airlok Flex Series Penetration 02102022.pdfDownload
PGArch Detail AFFP06B Vapor Permeable Airlok Flex Series Penetration Isometric 02102022.pdfDownload

Transitions

FileAction
PGArch Detail AFFP01 Vapor Permeable Airlok Flex Series Wall & Foundation 02102022.pdfDownload
PGArch Detail AFFP02 Vapor Permeable Airlok Flex Series Floor Transition 02102022.pdfDownload

Walls

FileAction
PGArch Detail AFFP07 Vapor Permeable Airlok Flex Series Corner 02102022.pdfDownload
PGArch Detail AFFP08 Vapor Permeable Airlok Flex Series Parapet 02102022.pdfDownload

Windows

FileAction
PGArch Detail AFFP03 Vapor Permeable Airlok Flex Series Window Header 02102022.pdfDownload
PGArch Detail AFFP04 Vapor Permeable Airlok Flex Series Window Jamb 02102022.pdfDownload
PGArch Detail AFFP05 Vapor Permeable Airlok Flex Series Window Sill 02102022.pdfDownload

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

Joints

FileAction
PGArch Detail AFFP09 Vapor Permeable Airlok Flex Series Substrate Joint 02102022.dwgDownload
PGArch Detail AFFP10 Vapor Permeable Airlok Flex Series Transition Joint 02102022.dwgDownload
PGArch Detail AFFP11 Vapor Permeable Airlok Flex Series Expansion Joint 02102022.dwgDownload

Penetrations

FileAction
PGArch Detail AFFP06A Vapor Permeable Airlok Flex Series Penetration 02102022.dwgDownload
PGArch Detail AFFP06B Vapor Permeable Airlok Flex Series Penetration Isometric 02102022.dwgDownload

Transitions

FileAction
PGArch Detail AFFP01 Vapor Permeable Airlok Flex Series Wall & Foundation 02102022.dwgDownload
PGArch Detail AFFP02 Vapor Permeable Airlok Flex Series Floor Transition 02102022.dwgDownload

Walls

FileAction
PGArch Detail AFFP07 Vapor Permeable Airlok Flex Series Corner 02102022.dwgDownload
PGArch Detail AFFP08 Vapor Permeable Airlok Flex Series Parapet 02102022.dwgDownload

Windows

FileAction
PGArch Detail AFFP03 Vapor Permeable Airlok Flex Series Window Header 02102022.dwgDownload
PGArch Detail AFFP04 Vapor Permeable Airlok Flex Series Window Jamb 02102022.dwgDownload
PGArch Detail AFFP05 Vapor Permeable Airlok Flex Series Window Sill 02102022.dwgDownload

Product Submittals

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