SA 300VP AWB

Roll of Siplast WALLcontrol SA 300VP AWB, a self-adhered vapor permeable air and water barrier.
Worker installing a black Siplast self-adhered air barrier membrane onto yellow wall sheathing.
Detail of a window rough opening flashed with Siplast self-adhered membrane for water protection.
Full wall installation of Siplast SA 300VP AWB membrane around a window opening.
Close-up of a window corner detail featuring Siplast liquid flashing over the self-adhered barrier.
A self-adhesive air and water-resistive barrier for use in commercial walls

About SA 300VP AWB

SA 300VP AWB is a self-adhesive air barrier membrane. It has a pressure-sensitive adhesive with a split siliconized release liner. Flexible and primerless, the membrane is designed as a vapor permeable water-resistive barrier for commercial wall systems.

Featured benefits

Temperature icon.

Temperature stability

Can be applied in temps as low as 20°F while maintaining stability and performance up to 176°F
Fire resistant icon.

Class A fire rating

Compatible in NFPA 285 assemblies with a ASTM E84 Class A fire rating
Liquid-applied icon.

Vapor permeable performance

The permeable performance of SA 300VP helps mitigate bulk air and water intrusion while allowing water vapor to migrate through the membrane - helping to reduce instances of water related damage to the building's structure

SA 300VP AWB

A self-adhesive air barrier membrane with pressure-sensitive 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

RISE Blog

Modern commercial building enclosure with glass and metal panels, illustrating design and construction.

What to Know About Building Enclosure Design

View building enclosure article
Siplast WALLcontrol Polyiso Foil-Faced Insulation

What Architects Should Know About Air Barrier Transitions

View transitions article
Commercial building constructed with air and water barriers (AWBs)

Future-Proofing Buildings with AWBs

View future proofing article