CanShield VP is a vapor permeable, self-adhered water resistive air barrier sheet membrane that protects the building envelope by allowing vapor to pass through (breathable) but not air or liquid water.

A vapour permeable, self-adhered, water-resistive air barrier

• Creates a water resistive air barrier when applied outside of the wall sheathing
• Approved CAN/ULC S741- 08, CAN/ULC S742-11
• Approved ASTM E2178 /ASTM E2357 air barrier tests
• Approved CAN/ULC S102
• Superb drying capacity, 25 perms
• Installation temperature -6.6°C (20°F) and rising
• Aggressive adhesive ensures membrane adhesion on multiple substrates
• Made from multiple layers of spun-bonded polypropylene fabric
• 6 months UV and climate exposure prior to cladding installation
• Used for transitions, rough openings, fenestrations, and full-wall applications
• Fire Rated, Class A to ASTM E 84
• 20 year warranty