Perm-A-Barrier® air barrier system

A comprehensive portfolio of fully-bonded air barrier membranes for NFPA 285 compliant assemblies. GCP 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.

Product Listing
  • 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. Perm-A-Barrier Liquid will protect above grade wall assemblies against the damaging effects of air, vapor and water ingress. Perm-A-Barrier Liquid also provides an effective barrier against air infiltration and exfiltration and associated energy loss and condensation problems.

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

Building envelope

Perm-A-Barrier® Adhesive
Description

Perm-A-Barrier® Adhesive imparts an aggressive, high tack finish on the treated substrate. It is specifically designed to facilitate tenacious adhesion of Perm-A-Barrier self-adhered membranes to various substrates including plywood, oriented strand board (OSB), concrete masonry units (CMU) and glass faced .05

Key Benefits
  • Permeable Formulation
  • Excellent adhesion
  • Aggressive tack
  • Fast drying
  • Fast and easy application
  • Low temperature
  • VOC compliant
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
  • Flexible
  • Controlled thickness
  • Aggressive, conformable adhesive
  • Wide application window
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
  • Flexible
  • Controlled thickness
  • Aggressive, conformable adhesive
  • Wide application window
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. It is an accessory to the Perm-A-Barrier® portfolio of air barrier products.

Key Benefits
  • Low VOC
  • Solvent and isocyanate free
  • Air tight
  • Vapor permeable
  • Single component
  • Fully bonded
  • Seamless
  • Damp surface tolerant
Application Type

Building envelope

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 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

Building envelope

Perm-A-Barrier® NPS (Non Permeable Sheet)
Description

 

Perm-A-Barrier® NPS Wall Membranes are ideal for protecting the building superstructure from the damaging effects of the elements. By minimizing air and water vapor flow through the building exterior, Perm-A-Barrier® NPS Wall Membranes:

  • Prevent premature deterioration of the building envelope
  • Enhance thermal performance of the structure and save energy costs
  • Improve comfort for the building occupants
Key Benefits
  • Primer-less self-adhered sheet
  • Fire resistant
  • Fully bonded
  • Waterproof and virtually impermeable to moisture
  • Air tight
  • Flexible
  • Controlled thickness
  • Aggressive, conformable adhesive
  • Wide application window
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. It is specifically designed to facilitate tenacious adhesion of Perm-A-Barrier® self-adhered membranes to various substrates including plywood, oriented strand board (OSB), concrete masonry units (CMU) and glass faced wall boards.

Key Benefits
  • Excellent adhesion
  • Aggressive tack
  • Fast drying
  • Fast and easy application
  • VOC compliant
  • Low odor
Application Type

Building envelope

Perm-A-Barrier® VPL
Description

Perm-A-Barrier® VPL Low Temp (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 20 °F (-7°C) and rising to 60 °F (16°C)

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

Building envelope

Perm-A-Barrier® VPL Low Temperature
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. Perm-A-Barrier VPL membrane provides superior protection 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
  • Fire resistant
  • Plasticizer, Phthalate and Halogen-free
  • Air tight
  • Vapor permeable
  • Single component
  • Fully bonded
  • Seamless
  • Damp surface tolerant
  • Strong adhesion to common construction substrates
  • Compatible
Application Type

Building envelope

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. Perm-A-Barrier VPO is dark-colored and designed for exposure to indirect and intermittent sunlight, such as behind open joint rain screen systems.

Key Benefits
  • Dark-colored
  • Indirect and intermittent UV exposure
  • Air tight
  • Vapor permeable
  • Single component
  • Fully bonded
  • Seamless
  • Damp surface tolerant
  • Weather resistant
Application Type

Building envelope

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
  • Flexible
  • Controlled thickness
  • Aggressive, conformable adhesive
  • Unique green color and logo
  • Ripcord Split Release on Demand
  • Foldless release paper
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
  • Ensures long-lasting protection
  • Waterproof and virtually impermeable to moisture
  • Air tight
  • Flexible
  • Cold-applied
  • Controlled thickness
  • Aggressive, conformable adhesive
  • Wide application window
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. It is specifically designed to facilitate tenacious adhesion of Perm-A-Barrier Flashings, Perm-A-Barrier Detail Membrane and Perm-A-Barrier Wall Membrane to various substrate including glass-mat faced gypsum sheathing.

Key Benefits
  • Excellent Adhesion
  • Aggressive tack
  • Fast drying
  • Fast and easy application
  • VOC compliant
  • Low odor
Application Type

Building envelope

Overview

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, GCP provides 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, GCP field technicians advise on the proper sequencing and use of materials within these flexible systems. Consult in product compatibility, assembly techniques for a completely water and air tight system.  Offer advice on;  detailing, sequencing, efficient assembly techniques, labor saving tips.

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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, oftentimes a hazardous chemical, from the job site.

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.