CAV-AIR-ATOR™ is a full wall drainage and ventilation mat for full brick or stone masonry walls. It prevents mortar from entering the cavity, clinging to wall ties, or blocking weep holes. The innovative design of the CAV-AIR-ATOR™ allows it to be extremely light and flexible so it can easily rest on top of the brick ties.


  • Creates a 96.5% void space in a masonry veneer cavity
  • Unobstructed ventilation from top of wall to bottom weeps
  • Lightweight pieces
  • Filter cloth laminated to the front prevents all mortar from entering the cavity
  • Channel finger space – mason can maneuver brick properly without skin abrasion
  • Springy design adjusts to varying cavity width

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