SA 40VR AWB

Roll of Siplast WALLcontrol SA 40 VR, a self-adhered vapor impermeable air and water barrier.
Worker using a squeegee to smooth out a self-adhered air barrier membrane on a wall.
Close-up of a contractor peeling the release liner from a Siplast self-adhered wall membrane.
Contractor using a weighted roller to ensure proper adhesion of a WALLcontrol SA 40 VR membrane.
Siplast air barrier membrane installed around a window opening on DensGlass sheathing.
Full wall installation of Siplast WALLcontrol SA 40 VR vapor permeable air barrier system.
Worker detailing a window sill using self-adhered flashing for water-resistive protection.
Self-adhesive air and water-resistive barrier for commercial wall systems

About SA 40VR AWB

SA 40VR AWB is a nominal, 40-mil self-adhesive air barrier membrane with a high-temperature stable and low-temperature application butyl adhesive with a split siliconized release liner. Flexible and primerless, it is designed as an impermeable air barrier membrane and water-resistive barrier for commercial wall systems.

Featured benefits

Temperature icon.

Temperature stability

Can be applied in temperatures as low as 20°F while maintaining stability and performance in temps as high as 176°F
Easy icon.

Primerless application

Strong, high-temp stable butyl adhesive allows for application without the use of a primer
Fire resistant icon.

Class A fire rating

Compatible in NFPA 285 assemblies with an ASTM E84 Class A fire rating

SA 40VR AWB

A nominal, 40-mil self-adhesive air barrier membrane with a high-temperature stable and low-temperature application butyl adhesive with a split siliconized release liner.

Complete the system

Related products

AWB comparison chart

  • AWB type

  • Application type

  • UV resistance

  • ABAA Evaluated icon.

  • Industry standards†

  • PREMIUM
    Siplast WALLcontrol Premium AWB comparison chart featuring 12-month UV exposure and open-joint cladding use.

    WALLcontrol™

  • Permeable or impermeable

  • Adhered or liquid

  • 12 months, applicable to open-joint cladding*

  • Exceeds

  • Siplast Performance AWB comparison chart showing 6-month UV exposure and standard building code compliance.

    Siplast Performance AWB

  • Permeable or impermeable

  • Adhered or liquid

  • 6 months

  • Meets

*See WALLcontrol open-joint requirements and options for more information (this should link to our WALLcontrol Open-Joint Requirement tech bulletin)
†AAMA 711, AAMA 714, AC 38, AC 212 as applicable by product category

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