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.
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Documents
Documents
PERM-A-BARRIER® Product Documents
Detail Drawings
| Product Name | |
| 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
Products & Accessories
Products
- Product Name
- Description
- Key Benefits
- Applications Type
PERM-A-BARRIER® Liquid (US Version)
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 (US Version)
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 (US Version)
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 (US Version)
PERM-A-BARRIER® NPL 10/ NPL 10 LT (US Version)
Visit PERM-A-BARRIER® NPL 10/ NPL 10 LT (US Version) page
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 (US Version)
PERM-A-BARRIER® NPS Wall Membrane (US Version)
Visit PERM-A-BARRIER® NPS Wall Membrane (US Version) page
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 (US Version)
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 (US Version)
PERM-A-BARRIER® VPL 50 Membrane (US Version)
Visit PERM-A-BARRIER® VPL 50 Membrane (US Version) page
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 50RS Membrane (US version)
PERM-A-BARRIER® VPL 50RS Membrane (US version)
Visit PERM-A-BARRIER® VPL 50RS Membrane (US version) page
Description
PERM-A-BARRIER® VPL 50RS Membrane is a fluid applied, one component, STPE vapor permeable air and water barrier.
Key Benefits
- Fire resistant – meets NFPA 285 as part of various wall assemblies with foam plastic insulation
- Formulated without phthalates and halogens
- Air tight – designed to protect against air passage and associated energy losses. Meets ASTM E2357 standard
- Vapor permeable – minimizes moisture from being permanently trapped in the wall cavity by allowing the wall’s ability to “breathe” and dry
Application Type
PERM-A-BARRIER® VPL Low Temperature (US Version)
PERM-A-BARRIER® VPL Low Temperature (US Version)
Visit PERM-A-BARRIER® VPL Low Temperature (US Version) page
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 (US Version)
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 (US Version)
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 (US Version)
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 (US Version)
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 (US Version)
PERM-A-BARRIER® Adhesive Primer (US Version)
Visit PERM-A-BARRIER® Adhesive Primer (US Version) page
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 (US Version)
PERM-A-BARRIER® Aluminum Flashing (US Version)
Visit PERM-A-BARRIER® Aluminum Flashing (US Version) page
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 (US Version)
PERM-A-BARRIER® Aluminum Wall Membrane (US Version)
Visit PERM-A-BARRIER® Aluminum Wall Membrane (US Version) page
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 (US Version)
PERM-A-BARRIER® Detail Membrane (US Version)
Visit PERM-A-BARRIER® Detail Membrane (US Version) page
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 (US Version)
PERM-A-BARRIER® Liquid Flashing (US Version)
Visit PERM-A-BARRIER® Liquid Flashing (US Version) page
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 (US Version)
PERM-A-BARRIER® NPS Detail Membrane (US Version)
Visit PERM-A-BARRIER® NPS Detail Membrane (US Version) page
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 (US Version)
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 (US Version)
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 (US Version)
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
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
Find application instructions, installation details and detailed drawings.
Distributor Locator
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