AIRLOK® Sheet 400 HT/NP

Airlok® Sheet 400 HT/NP is a 40-mil, 36” x 75’ laminated, modified asphalt, self-adhesive, non-permeable sheet membrane bonded to
a cross-laminated polyethylene sheet designed for air and moisture applications. Provides a 60-day UV exposure with a broad service/performance
temperature up to 260°F. Rubberized-asphalt properties allow for self-sealing around fasteners, sealing of laps, adhesion to the
substrate at ambient application temperatures above 40°F (5°C). Designed for use under metal cladding and copings.

FEATURES & BENEFITS

  • Designed for High Heat applications such as metal cladding and copings
  • Provides excellent resistance to air leakage and vapor diffusion
  • High puncture resistance provides protection on the job site
  • Can be field cut to meet the needs of your job

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 Flex® Impermeable air barrier for use on concrete and concrete masonry surfaces.
Airlok Flex® VP Permeable, single-component elastomeric air barrier membrane. Also available in Low Temperature version (VP LT).
Airlok Flex® WG Permeable, above-grade air, weather and vapor coating. Also available in Low Temperature version (WG LT).
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.

Product Resources

FileAction
Data Sheet (PDF)Download
Guide Spec (PDF)Download
Guide Spec (WORD)Download
HPD (PDF)Download
Materials List (PDF)Download
Features & Benefits (PDF)Download
SDS (PDF)Download

Joints

FileAction
PGArch Detail ASANP09 Non Permeable Airlok Sheet 400 Series Substrate joint 02102022.pdfDownload
PGArch Detail ASANP10 Non Permeable Airlok Sheet 400 Series Transition Joint 02102022.pdfDownload
PGArch Detail ASANP11 Non Permeable Airlok Sheet 400 Series Expansion Joint 02102022.pdfDownload

Penetrations

FileAction
PGArch Detail ASANP06A Non Permeable Airlok Sheet 400 Series Penetration 02102022.pdfDownload
PGArch Detail ASANP06B Non Permeable Airlok Sheet 400 Series Penetration Isometric 02102022.pdfDownload

Transitions

FileAction
PGArch Detail ASANP01 Non Permeable Airlok Sheet 400 Series Wall & Foundation 02102022.pdfDownload
PGArch Detail ASANP02 Non Permeable Airlok Sheet 400 Series Floor Transition 02102022.pdfDownload

Walls

FileAction
PGArch Detail ASANP07 Non Permeable Airlok Sheet 400 Series Corner 02102022.pdfDownload
PGArch Detail ASANP08 Non Permeable Airlok Sheet 400 Series Parapet 02102022.pdfDownload

Windows

FileAction
PGArch Detail ASANP03 Non Permeable Airlok Sheet 400 Series Window Header 02102022.pdfDownload
PGArch Detail ASANP04 Non Permeable Airlok Sheet 400 Series Window Jamb 02102022.pdfDownload
PGArch Detail ASANP05 Non Permeable Airlok Sheet 400 Series Window Sill 02102022.pdfDownload

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

Joints

FileAction
PGArch Detail ASANP09 Non Permeable Airlok Sheet 400 Series Substrate joint 02102022.dwgDownload
PGArch Detail ASANP10 Non Permeable Airlok Sheet 400 Series Transition joint 02102022.dwgDownload
PGArch Detail ASANP11 Non Permeable Airlok Sheet 400 Series Expansion Joint 02102022.dwgDownload

Penetrations

FileAction
PGArch Detail ASANP06A Non Permeable Airlok Sheet 400 Series Penetration 02102022.dwgDownload
PGArch Detail ASANP06B Non Permeable Airlok Sheet 400 Series Penetration Isometric 02102022.dwgDownload

Transitions

FileAction
PGArch Detail ASANP01 Non Permeable Airlok Sheet 400 Series Wall & Foundation 02102022.dwgDownload
PGArch Detail ASANP02 Non Permeable Airlok Sheet 400 Series Floor Transition 02102022.dwgDownload

Walls

FileAction
PGArch Detail ASANP07 Non Permeable Airlok Sheet 400 Series Corner 02102022.dwgDownload
PGArch Detail ASANP08 Non Permeable Airlok Sheet 400 Series Parapet 02102022.dwgDownload

Windows

FileAction
PGArch Detail ASANP03 Non Permeable Airlok Sheet 400 Series Window Header 02102022.dwgDownload
PGArch Detail ASANP04 Non Permeable Airlok Sheet 400 Series Window Jamb 02102022.dwgDownload
PGArch Detail ASANP05 Non Permeable Airlok Sheet 400 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.