AIR-SHIELD BUTYL FLASHING is a primerless, composite membrane that is comprised of a white woven polyethylene facer and easy-to-release split-face…
Air Barriers (Canada)
AIR-SHIELD: Designing for the 21st Century
At W. R. MEADOWS of Canada, we understand that air barriers do more than just meet code—they protect your building's performance, efficiency, and longevity. Whether you're an architect designing with sustainability in mind, an engineer focused on airtight performance, a contractor navigating jobsite demands, or a distributor supporting your customers with trusted solutions, our complete line of air barrier systems is built to deliver.
Backed by decades of building science expertise and tested to perform in Canada’s toughest climates, our products offer reliable protection and peace of mind—so you can build with confidence, from the ground up.
Air Barrier Materials
AIR-SHIELD SMP
AIR-SHIELD SMP is a self-adhesive, vapour permeable, air/liquid moisture barrier that is designed to be fully bonded to the substrate…
AIR-SHIELD ALUMINUM SHEET MEMBRANE
AIR-SHIELD ALUMINUM SHEET MEMBRANE self-adhering air/vapour and liquid moisture barrier is part of a total W. R. MEADOWS system to…
AIR-SHIELD LOW TEMP
AIR-SHIELD LOW TEMP self-adhering, air/vapour and liquid moisture barrier is part of a total W. R. MEADOWS system to complete…
AIR-SHIELD XLT
AIR-SHIELD XLT extra-low temp self-adhering air barrier is part of a total W. R. MEADOWS system to complete the building…
AIR-SHIELD ALUMINUM FLASHING
AIR-SHIELD ALUMINUM FLASHING is a self-adhering flexible membrane flashing with an aluminum facer. It is a roll-type product that is…
AIR-SHIELD LMP
AIR-SHIELD LMP is a water-based air/liquid moisture barrier that cures to form a tough, seamless, elastomeric membrane. AIR-SHIELD LMP exhibits…
AIR-SHIELD TMP
AIR-SHIELD TMP is a water-based air/liquid moisture barrier that cures to form a tough, seamless, elastomeric membrane. AIR-SHIELD TMP exhibits…
MEL-PRIME W/B
MEL-PRIME W/B water-based adhesive is a ready-to-use compound specifically formulated with polymers in a true water-based emulsion.
BEM
BEM is a one-component, cold-applied, non-slump membrane that can be used for a variety of applications with building envelope products…
MEL-PRIME
MEL-PRIME™ is a solvent-based, ready-to-use adhesive designed to prepare surfaces for W. R. MEADOWS waterproofing and air/vapour barrier systems such…
POINTING MASTIC
POINTING MASTIC is a pre-mixed, cold-applied, polymeric, single-component sealing compound. It was specifically designed to seal all exterior, vertical, and…
AIR-SHIELD LSR
AIR-SHIELD LSR (liquid synthetic rubber) is an asphalt-free, single-component, synthetic rubber based liquid air/vapour and liquid moisture barrier. AIR-SHIELD LSR…
AIR-SHIELD LM
AIR-SHIELD LM is a fluid-applied, vapour-retarding and water-resistive air barrier. This water-based, polymer-modified composition forms a tough, seamless elastomeric membrane…
AIR-SHIELD LIQUID FLASHING
AIR-SHIELD LIQUID FLASHING is a high-quality, gun grade, low-odour, elastomeric, polyether, liquid-applied flashing and detailing membrane. It bonds to most…
AIR-SHIELD 25 MIL FLASHING TAPE
AIR-SHIELD 25 MIL FLASHING TAPE is a self-adhering, flexible membrane flashing. It is a roll-type product that is nominally 25…
AIR-SHIELD
AIR-SHIELD self-adhering air/vapour and liquid moisture barrier is part of a total W. R. MEADOWS system to complete the building…

















