PERM-A-BARRIER VPL is a single component polymeric barrier that forms to produce a durable, homogeneous, permanently connected elastomer sheet when applied in a fluid
PERM-A-BARRIER VPL is Fire resistant and meets NFPA 285 as part of various wall assemblies. It is plasticizer, phthalate, and halogen-free means it is safe and environmentally friendly. Its air-tight properties allow protection against air passage and associated energy losses. Meets new ASTM E2357 standard as required by IECC 2012. The Single component barrier allows for fast and easy use with simple spray equipment. It is fully bonded�transmits wind loads directly to the substrate, seamless�continuous membrane integrity with no laps, and provides strong adhesion to common construction substrates such as wood, block, concrete, OSB, gypsum sheathing and metal. It is also damp surface tolerant and can be applied to damp-to-touch surfaces.
For use at temperatures ranging from 20 degrees Fahrenheit (-7 degrees Celsius) to 60 degrees Fahrenheit (16 degrees Celsius), use PERM-A-BARRIER VPL LT instead. (Use a different datasheet if possible.) The PERM-A-BARRIER VPL membrane protects building structures from the destructive effects of air and liquid water infiltration. The substance forms a strong barrier against air entry and exfiltration, reducing energy loss and condensation issues. The vapor permeable PERM-A-BARRIER VPL membrane is ideal for wall assemblies that require this "breathable" property. It allows the transfusion of water vapor that would otherwise condense in the wall structure as a vapor-permeable membrane, but it is impermeable to liquid water, allowing the material to operate as a water drainage plain. The PERM-A-BARRIER VPL membrane has less than 30 g/L of volatile organic compounds (VOC).
- Color - Green
- Thickness - 44Mils wet film, 25Mils dry film
- Solids content by volume - 59% (approx.)
- Density - 9.6 lbs./gal (9.37 lbs./gal)
- Drying time @ 50% R.H., 68�F1 - 4 hours - tack free, 24 hours - fully dry
- Water resistance of in-place membrane - Pass, ASTM E331
- Assembly air permeance - Pass, ASTM E2357
- Water vapor transmission - 20 perms, ASTM E96 - Method B
- Pull adhesion to glass-mat faced gypsum sheathing - 30 psi, ASTM D4541
- Pull adhesion to concrete - 100 psi, ASTM D4541
- Tensile strength - 110 psi, ASTM D412 - Die C
- Elongation - 250%, ASTM D412 - Die C
- Nail sealability - Pass, ASTM D1970
- Low temperature flexibility - Pass at -20�F (-29�C), ASTM D1970
- Wall assembly fire test - Pass as part of various wall assemblies with foam plastic insulation, NFPA 285.
