PERM-A-BARRIER® Air Barrier System

A comprehensive portfolio of fully bonded air barrier membranes for NFPA 285 compliant assemblies. Our technology includes permeable and non-permeable solutions offered as both fluid-applied and sheet-applied systems.

The PERM-A-BARRIER® portfolio provides watertight, airtight air barrier systems and full field technical support for flexibility and high-performance compatibility with a project's building envelope design. Broad product range for any wall design or design requirement. Our air barrier membranes and accessories are designed to work together and are rigorously tested to meet building code requirements. The end result is a truly optimized wall design that's sustainable over time.

Contact an Air Barrier Specialist today

 

Documents

PERM-A-BARRIER® Product Documents

Product Name Product Data Sheet Guide Specifications SDS/MSDS
PERM-A-BARRIER® Adhesive Primer
Product Data Sheet
SDS/MSDS
PERM-A-BARRIER® Aluminum Flashing
Product Data Sheet
SDS/MSDS
PERM-A-BARRIER® Aluminum Wall Membrane
Product Data Sheet
Guide Specifications
SDS/MSDS
PERM-A-BARRIER® Detail Membrane
Product Data Sheet
SDS/MSDS
PERM-A-BARRIER® Liquid
Product Data Sheet
Guide Specifications
SDS/MSDS
PERM-A-BARRIER® Liquid Flashing
Product Data Sheet
SDS/MSDS
PERM-A-BARRIER® NPL
Product Data Sheet
PERM-A-BARRIER® NPL 10
Product Data Sheet
Guide Specifications
SDS/MSDS
PERM-A-BARRIER® NPL 10/ NPL 10 LT
Product Data Sheet
SDS/MSDS
PERM-A-BARRIER® NPS Detail Membrane
Product Data Sheet
SDS/MSDS
PERM-A-BARRIER® NPS Wall Membrane
Product Data Sheet
Guide Specifications
SDS/MSDS
PERM-A-BARRIER® Primer Plus
Product Data Sheet
SDS/MSDS
PERM-A-BARRIER® VPL
Product Data Sheet
Guide Specifications
SDS/MSDS
PERM-A-BARRIER® VPL 50 Membrane
Product Data Sheet
Guide Specifications
SDS/MSDS
PERM-A-BARRIER® VPL Low Temperature
Product Data Sheet
PERM-A-BARRIER® VPO
Product Data Sheet
Guide Specifications
SDS/MSDS
PERM-A-BARRIER® VPS
Product Data Sheet
Guide Specifications
SDS/MSDS
PERM-A-BARRIER® Wall Flashing
Product Data Sheet
Guide Specifications
SDS/MSDS
PERM-A-BARRIER® Wall Membrane
Product Data Sheet
Guide Specifications
SDS/MSDS
PERM-A-BARRIER® WB Primer
Product Data Sheet
SDS/MSDS
PERM-A-BARRIER® S100 Sealant
Product Data Sheet
SDS/MSDS

Detail Drawings

Product Name PDF
PLQ-001r1 Window Sill (Option A) Detail Drawing
PLQ-002r1 - Window Head (Option A) Detail Drawing
PLQ-003r1 - Window Jamb (Option A) Detail Drawing
PLQ-004r1 - Window Sill (Option B1) Detail Drawing
PLQ-005r1 - Window Sill (Option B2) Detail Drawing
PLQ-007r1 - Window Jamb (Option B) Detail Drawing
PLQ-008r1 - Window Head at Floor (Option A) Detail Drawing
PLQ-009r1 - Window Head at Floor (Option B) Detail Drawing
PLQ-010r1 - Foundation (Option A) Detail Drawing
PLQ-011r1 - Foundation (Option B) Detail Drawing
PLQ-012 - Shelf Angle (Option A) Detail Drawing
PLQ-013 - Shelf Angle (Option B) Detail Drawing
PLQ-014 - Parapet Detail Drawing
PLQ-015 - Roof Edge Detail Drawing
PLQ-016r1 - Expansion Joint Detail Drawing
PLQ-017 - Penetration Detail Drawing
PLQ-101r1 - Window Sill (Option A) Detail Drawing
PLQ-102r1 - Window Head (Option A) Detail Drawing
PLQ-103r1 - Window Jamb (Option A) Detail Drawing
PLQ-104r1 - Window Sill (Option B1) Detail Drawing
PLQ-105r1 - Window Sill (Option B2) Detail Drawing
PLQ-106r1 - Window Head (Option B) Detail Drawing
PLQ-107r1 - Window Jamb (Option B) Detail Drawing
PLQ-108r1 - Window Head at Floor (Option A) Detail Drawing
PLQ-109r1 - Window Head at Floor (Option B) Detail Drawing
PLQ-110r1 - Foundation (Option A) Detail Drawing
PLQ-111r1 - Foundation (Option B) Detail Drawing
PLQ-112r1 - Self Angle (Option A) Detail Drawing
PLQ-113r1 - Shelf Angle (Option B) Detail Drawing
PLQ-114r1 - Parapet Detail Drawing
PLQ-115 - Roof Edge Detail Drawing
PLQ-116r1 - Expansion Joint Detail Drawing
PLQ-117 - Penetration Detail Drawing
PLQ-118 - Control Joint Detail Drawing
PWM-001r1 - Window Sill (Option A) Detail Drawing
PWM-002r1 - Window Head (Option A) Detail Drawing
PWM-003r1 - Window Jamb (Option A) Detail Drawing
PWM-004r1 - Window Sill (Option B1) Detail Drawing
PWM-005r1 - Window Sill (Option B2) Detail Drawing
PWM-006r1 - Window Head (Option B) Detail Drawing
PWM-007r1 - Window Jamb (Option B) Detail Drawing
PWM-008r1 - Window Head at Floor (A) Detail Drawing
PWM-009r1 - Window Head at Floor (Option B) Detail Drawing
PWM-010r1 - Foundation (Option A) Detail Drawing
PWM-011r1 - Foundation (Option B) Detail Drawing
PWM-012 - Shelf Angle (Option A) Detail Drawing
PWM-013 - Shelf Angle (Option B) Detail Drawing
PWM-014 - Parapet Detail Drawing
PWM-015 - Roof Edge Detail Drawing
PWM-016r1 - Expansion Joint Detail Drawing
PWM-017 - Penetration Detail Drawing
PWM-102r1 - Window Head (Option A) Detail Drawing
PWM-103r1 - Window Jamb (Option A) Detail Drawing
PWM-104r1 - Window Sill (Option B1) Detail Drawing
PWM-105r1 - Window Sill (Option B2) Detail Drawing
PWM-106r1 - Window Head (Option B) Detail Drawing
PWM-107r1 - Window Jamb (Option B) Detail Drawing
PWM-108r1 - Window Head at Floor (Option A) Detail Drawing
PWM-109r1 - Window Head at Floor (Option B) Detail Drawing
PWM-110r1 - Foundation (Option A) Detail Drawing
PWM-111r1 - Foundation (Option B) Detail Drawing
PWM-112r1 - Shelf Angle (Option A) Detail Drawing
PWM-113r1 - Shelf Angle (Option B) Detail Drawing
PWM-114r1 - Parapet Detail Drawing
PWM-115 - Roof Edge Detail Drawing
PWM-116r1 - Expansion Joint Detail Drawing
PWM-117 - Penetration Detail Drawing
PWM-118 - Control Joint Detail Drawing
VPL50-001 — Continuous Masonry Shelf Angle Support (section) Detail Drawing
VPS-001r1 - Window Sill (Option A) Detail Drawing
VPS-002r1 - Window Head (Option A) Detail Drawing
VPS-003r1 - Window Jamb (Option A) Detail Drawing
VPS-005r2 - Window Sill (Option B) Detail Drawing
VPS-006r1 - Window Head (Option B) Detail Drawing
VPS-007r1 - Window Jamb (Option B) Detail Drawing
VPS-008r2 - Window Head at Floor (Option A) Detail Drawing
VPS-009r1 - Window Head at Floor (Option B) Detail Drawing
VPS-010r1 - Foundation (Option A) Detail Drawing
VPS-011r1 - Foundation (Option B) Detail Drawing
VPS-012r2 - Shelf Angle (Option A) Detail Drawing
VPS-013r1 - Shelf Angle (Option B) Detail Drawing
VPS-014 - Parapet Detail Drawing
VPS-015 - Roof Edge Detail Drawing
VPS-016r2 - Expansion Joint Detail Drawing
VPS-017r2 - Penetration Detail Drawing
VPS-101r1 - Window Sill (Option A) Detail Drawing
VPS-102r1 - Window Head (Option A) Detail Drawing
VPS-103r1 - Window Jamb (Option A) Detail Drawing
VPS-105r1 - Window Sill (Option B) Detail Drawing
VPS-106r1 - Window Head (Option B) Detail Drawing
VPS-107r1 - Window Jamb (Option B) Detail Drawing
VPS-108r1 - Window Head at Floor (Option A) Detail Drawing
VPS-109r1 - Window Head at Floor (Option B) Detail Drawing
VPS-110r1 - Foundation (Option A) Detail Drawing
VPS-111r1 - Foundation (Option B) Detail Drawing
VPS-112r1 - Shelf Angle (Option A) Detail Drawing
VPS-113r1 - Shelf Angle (Option B) Detail Drawing
VPS-114 - Parapet Detail Drawing
VPS-115 - Roof Edge Detail Drawing
VPS-116 - Expansion Joint Detail Drawing
VPS-117r1 - Penetration Detail Drawing
VPS-118 - Control Joint Detail Drawing

Technical Letters

Product Name PDF
All PERM-A-BARRIER® Technical Letters
PERM-A-BARRIER® Liquid Technical Letters
PERM-A-BARRIER® VPL LT Technical Letters
PERM-A-BARRIER® VPL Technical Letters
TL-0001 — Chemical Compatibility of PERM-A-BARRIER® Self-Adhered Membranes with Other Materials Technical Letter
TL-0002 — Substrate Preparation for Application of PERM-A-BARRIER® Products to Glass-Mat Faced Gypsum Sheathing Technical Letter
TL-0003 — The Evolution of GCP Applied Technologies’ Vulcanized Latex Technology Technical Letter
TL-0004 — Blistering and Pinholing of Fluid Applied Membranes Technical Letter
TL-0005 — Adhesion Compatibility of PERM-A-BARRIER® Liquid with Sealants and Caulks Technical Letter
TL-0006 — Substrate Preparation for PERM-A-BARRIER® Liquid Applications Technical Letter
TL-0007 — Exotherm of PERM-A-BARRIER® Liquid Membranes Technical Letter
TL-0008 — Disposal of PERM-A-BARRIER® Liquid Waste and Used Containers Technical Letter
TL-0009 — Spraying PERM-A-BARRIER® Liquid at Low Temperatures Technical Letter
TL-0010 — Spraying PERM-A-BARRIER® Liquid at High Temperatures Technical Letter
TL-0011 — Adhesion of Rubberized Asphalt Membranes to PERM-A-BARRIER® Liquid in Air and Vapor Barrier Applications Technical Letter
TL-0012 — Impact of Substrate Roughness and Coating Thickness on Fluid Applied Air Barrier Performance Technical Letter
TL-0013 — Adhesion Compatibility of PERM-A-BARRIER® VPL/VPL LT with Sealants and Caulks Technical Letter
TL-0014 — Substrate Preparation for PERM-A-BARRIER® VPL, VPL LT and VPO Applications Technical Letter
TL-0015 — Disposal of PERM-A-BARRIER® VPL/VPL LT Waste and Used Containers Technical Letter
TL-0016 — Penetrations Through PERM-A-BARRIER® Systems Technical Letter
TL-0017 — Proof of Air Barrier Assembly Testing Performance ASTM E 2357 Testing Technical Letter
TL-0018 — Use of GCP Applied Technologies PERM-A-BARRIER® Systems with Stucco Technical Letter
TL-0019 — Exposure Guidelines for PERM-A-BARRIER® Self-Adhered Membranes Technical Letter
Products & Accessories

Products

  • Product Name
  • Description
  • Key Benefits
  • Applications Type
PERM-A-BARRIER® Liquid
Description

PERM-A-BARRIER® Liquid is a two component, synthetic rubber, cold-vulcanized, fluid applied membrane. It cures to form a resilient, monolithic, fully bonded elastomeric sheet.

Key Benefits
  • Flexible
  • Fluid-applied membrane
  • Seamless air and vapor barrier
Application Type

New and remedial air and vapor barriers for commercial and residential applications

PERM-A-BARRIER® NPL
Description

PERM-A-BARRIER® NPL air and vapor barrier is a fluid- applied, one component membrane that cures to form a resilient, monolithic, fully bonded elastomeric sheet when applied to construction surfaces. PERM-A-BARRIER® NPL membrane protects above grade wall assemblies against the damaging effects of air and liquid water ingress on building structures. The product creates a solid barrier against air infiltration and exfiltration, which minimizes associated energy loss and condensation problems.

Key Benefits
Application Type
PERM-A-BARRIER® NPL 10
Description

PERM-A-BARRIER® NPL 10/NPL 10 LT is a fluid applied, one component, latex-based membrane that cures to form a resilient, monolithic, fully-bonded elastomeric sheet when applied to construction surfaces. Designed to satisfy the requirements of fire-rated assemblies, PERM-A-BARRIER® NPL NPL 10/NPL 10 LT can be included in a wide variety of NFPA 285 compliant wall designs.

Key Benefits
  • NFPA 285 compliance
  • Plasticizer, Phthalate and Halogen-free
  • Air tight
  • Single component
  • Fully bonded
  • Seamless
Application Type

Air and vapor barrier for new and remedial commercial applications

PERM-A-BARRIER® NPL 10/ NPL 10 LT
Description

PERM-A-BARRIER® NPL 10/NPL 10 LT is a fluid applied, one component, latex-based membrane that cures to form a resilient, monolithic, fully-bonded elastomeric sheet when applied to construction surfaces.

Key Benefits
  • Fire resistant
  • Plasticizer, Phthalate and Halogen-free
  • Air tight
  • Fully bonded
Application Type

Air and vapor barrier for new and remedial commercial applications

PERM-A-BARRIER® NPS Wall Membrane
Description

PERM-A-BARRIER® NPS Wall Membranes are ideal for protecting the building superstructure from the damaging effects of the elements.

Key Benefits
  • Primer-less self-adhered sheet
  • Fire resistant
  • Fully bonded
  • Waterproof and virtually impermeable to moisture
Application Type

Building envelope

PERM-A-BARRIER® VPL
Description

Perm-A-Barrier® VPL is a fluid applied, one component, acrylic membrane that cures to form a resilient, monolithic, fully bonded elastomeric sheet when applied to construction surfaces.

Key Benefits
  • Fluid-applied
  • Vapor-permeable
  • Conforms to complex and irregular shapes
  • Low temperature
Application Type

Vapor permeable air barrier for new and remedial commercial and residential applications

PERM-A-BARRIER® VPL 50 Membrane
Description

PERM-A-BARRIER® VPL 50 Membrane is a fluid applied, one component, STPE vapor permeable air and water barrier.

Key Benefits
  • Fire resistant
  • Phthalate and Halogen-free-“green” and environmentally-friendly
  • Air tight
  • Vapor permeable
Application Type

Building envelope

PERM-A-BARRIER® VPL Low Temperature
Description

PERM-A-BARRIER® VPL LT is a two component, fluid-applied, acrylic membrane that cures to form a resilient, monolithic, fully bonded elastomeric sheet when applied to construction surfaces at temperatures between 20F (-7C) and rising to 60F (16C).

Key Benefits
  • Low temperature application; between 20F (-7C) and rising to 60F (16C
  • Fluid-applied
  • Vapor-permeable
  • NFPA 285 compliance
Application Type

Vapor permeable air barrier for new and remedial commercial and residential applications where application temperatures are between 20 °F (-7 °C) and 60 °F (16 °C)

PERM-A-BARRIER® VPO
Description

PERM-A-BARRIER® VPO is a fluid applied, one component, acrylic membrane that provides continuous air tightness and water protection throughout the wall assembly.

Key Benefits
  • Dark-colored
  • Indirect and intermittent UV exposure
  • Air tight
  • Vapor permeable
Application Type

Vapor permeable air barrier for new and remedial commercial and residential applications requiring indirect and intermittent UV exposure such as behind open joint rain screen systems.

PERM-A-BARRIER® VPS
Description

PERM-A-BARRIER® VPS (Vapor Permeable Sheet) membrane is a vapor permeable air and water barrier membrane consisting of a proprietary breathable carrier film with a specially designed adhesive.

Key Benefits
  • Fire Resistant
  • Air tight
  • Vapor permeable
  • Water resistant
Application Type

Vapor permeable air barrier for new and remedial commercial and residential applications.

PERM-A-BARRIER® Wall Flashing
Description

PERM-A-BARRIER® wall membranes are ideal for protecting the building superstructure from the damaging effects of the elements.

Key Benefits
  • Fully bonded
  • Waterproof and virtually impermeable to moisture
  • Cross laminated film
  • Cold applied
Application Type

Building envelope

PERM-A-BARRIER® Wall Membrane
Description

PERM-A-BARRIER® Wall Membranes are ideal for protecting the building superstructure from the damaging effects of the elements.

Key Benefits
  • Self-adhering air and vapor barrier sheet membrane
  • Waterproof and virtually impermeable to moisture
  • Flexible
  • Cold-applied
Application Type

Building envelope

Accessories

  • Accessory Name
  • Description
  • Key Benefits
  • Applications Type
PERM-A-BARRIER® Adhesive Primer
Description

PERM-A-BARRIER® Adhesive Primer imparts an aggressive, high tack finish on the treated substrate.

Key Benefits
  • Permeable formulation
  • Fast drying
  • Fast and easy application
  • Low temperature
Application Type
  • Building envelope
PERM-A-BARRIER® Aluminum Flashing
Description

PERM-A-BARRIER® Aluminum Flashing is ideal for protecting and sealing critical areas of the building superstructure from the damaging effects of the elements.

Key Benefits
  • Fully bonded
  • Waterproof and impermeable to moisture
  • Air tight
  • Aluminum faced film
  • Cold applied
Application Type

Building envelope

PERM-A-BARRIER® Aluminum Wall Membrane
Description

PERM-A-BARRIER® Aluminum Wall Membranes are ideal for protecting the building superstructure from the damaging effects of the elements.

Key Benefits
  • NFPA 285 compliance
  • Fully bonded
  • Waterproof and virtually impermeable to moisture
  • Air tight
Application Type

Building envelope

PERM-A-BARRIER® Detail Membrane
Description

PERM-A-BARRIER® Detail Membrane is ideal for protecting and sealing critical areas of the building superstructure from the damaging effects of the elements.

Key Benefits
  • Fully bonded
  • Waterproof and virtually impermeable to moisture
  • Air tight
  • Cross laminated film
  • Cold applied
Application Type

Building envelope

PERM-A-BARRIER® Liquid Flashing
Description

PERM-A-BARRIER® Liquid Flashing is a fluid applied, one component, membrane that cures to form a durable, resilient, monolithic and a fully bonded elastomeric flashing when applied to existing or new construction.

Key Benefits
  • Low VOC
  • Solvent and isocyanate free
  • Air tight
  • Vapor permeable
Application Type
  • Building envelope
PERM-A-BARRIER® NPS Detail Membrane
Description

PERM-A-BARRIER® NPS Detail Membrane is ideal for protecting and sealing critical areas of the building superstructure from the damaging effects of the elements.

Key Benefits
  • Primer-less self-adhered sheet
  • Fully bonded
  • Fire resistant
  • Waterproof and virtually impermeable to moisture
  • Air Tight
  • Flexible
Application Type
  • Building Envelope
PERM-A-BARRIER® Primer Plus
Description

PERM-A-BARRIER® Primer Plus is a water-based primer which imparts an aggressive, high tack finish on the treated substrate.

Key Benefits
  • Excellent adhesion
  • Aggressive tack
  • Fast drying
  • Fast and easy application
Application Type

Building envelope

PERM-A-BARRIER® WB Primer
Description

Perm-A-Barrier® WB Primer is a water-based primer which imparts an aggressive, high tack finish on the treated substrate.

Key Benefits
  • Excellent Adhesion
  • Aggressive tack
  • Fast drying
Application Type

Building envelope

PERM-A-BARRIER® S100 Sealant
Description

PERM-A-BARRIER® S100 Sealant is a one part neutral curing, ultra low modulus silicone sealant that reacts with atmospheric moisture to form a durable and flexible building sealant.

Key Benefits
  • No primer
  • No staining or residue rundown
  • High movement capability
Application Type

Building envelope

Overview

Design versatility and performance

The PERM-A-BARRIER® portfolio offers both permeable and non-permeable solutions to meet the range of factors on a given project, including regional climate, wall design, compatibility with other materials, insulation placement and interior conditions.

Our newest air barrier PERM-A-BARRIER® NPS employs a primer-less, self-adhered application for easier installation that saves time and money on the job. Eliminates primer, often a hazardous chemical, from the job site.

PERM-A-BARRIER® product portfolio

  Impermeable Permeable
Liquid-applied PERM-A-BARRIER® Liquid PERM-A-BARRIER® VPL
  PERM-A-BARRIER® NPL 10 PERM-A-BARRIER® VPL LT
  PERM-A-BARRIER® NPL 10 LT PERM-A-BARRIER® VPL 50
    PERM-A-BARRIER® VPO
Self-adhered PERM-A-BARRIER® Wall Membrane PERM-A-BARRIER® VPS
  PERM-A-BARRIER® Aluminum Wall Membrane  
  PERM-A-BARRIER® NPS (primer less)  
Accessories PERM-A-BARRIER® Wall Flashing PERM-A-BARRIER® Detail Membrane
  PERM-A-BARRIER® Adhesive PERM-A-BARRIER® Aluminum Flashing
  PERM-A-BARRIER® Liquid Flashing PERM-A-BARRIER® S100
  PERM-A-BARRIER® Primer Plus PERM-A-BARRIER® WB Primer
  BITUTHENE® Mastic BITUTHENE® Adhesive Primer B2 LVC

Tried and tested for high performance with code compliance

Most products in the PERM-A-BARRIER® portfolio meet or exceed all ASTM, ABAA and NFPA building code standards. In addition, PERM-A-BARRIER® solutions have been tried, tested and proven across thousands of projects worldwide.

Expert field technical support

Our technical experts frequently provide direct consultation throughout the design, product selection and installation process. In addition to project-specific support, we provide both classroom and hands-on applicator training to ensure that our PERM-A-BARRIER® products are installed correctly and perform as designed, protecting the structure for years to come. Able to instruct applicators on the installation of sheet membranes and proper spray techniques, our field technicians advise on the proper sequencing and use of materials within these flexible systems. You can consult in-product compatibility and assembly techniques for a completely watertight and airtight system. Our technicians offer advice on detailing, sequencing, efficient assembly techniques and labor-saving tips.

Contractor References

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