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.
AIRLOK® Sheet 400 HT/NP
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). |
| Detail Sealant PW™ | VOC/HAPS-free high-performance solvent-free sealant. |
Joints
| File | Action |
|---|---|
| PGArch Detail ASANP09 Non Permeable Airlok Sheet 400 Series Substrate joint 02102022.pdf | Download |
| PGArch Detail ASANP10 Non Permeable Airlok Sheet 400 Series Transition Joint 02102022.pdf | Download |
| PGArch Detail ASANP11 Non Permeable Airlok Sheet 400 Series Expansion Joint 02102022.pdf | Download |
To obtain a DWG detail, you must:
Right click on 
button & select 
Joints
| File | Action |
|---|---|
| PGArch Detail ASANP09 Non Permeable Airlok Sheet 400 Series Substrate joint 02102022.dwg | Download |
| PGArch Detail ASANP10 Non Permeable Airlok Sheet 400 Series Transition joint 02102022.dwg | Download |
| PGArch Detail ASANP11 Non Permeable Airlok Sheet 400 Series Expansion Joint 02102022.dwg | 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.