Cav-Air-Ator® | Drainage Mat for Brick and Natural Stone Walls

• Acceptable Manufacturer: Keene Building Products; PO Box 241353, Mayfield Heights, Ohio 44124.  Toll Free Tel: (877) 514-5336.  Tel: (440) 605-1020.  Fax: (440) 605-1120.  Email: info@keeneBuilding.com.  Web: http://www.KeeneBuilding.com
• Substitutions: Not permitted.
• Requests for substitutions will be considered in accordance with provisions of Section 01 25 00.

2.2 DRAINAGE MAT

• Masonry Drainage Mat: Full-Height Airspace Maintenance and Cavity Mortar Control.
• Product Description: CAV-AIR-ATOR as manufactured by Keene Building Products.

Description: THE 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 CAV-AIR-ATOR IS MADE UP OF AN EXTRUDED POLYMER MATRIX OF ENTANGLED MONOFILAMENTS.  A NON-WOVEN, LIGHTWEIGHT, BREATHABLE FABRIC IS HEAT LAMINATED ON ONE SIDE OF THE PRODUCT TO PREVENT MORTAR FROM ENTERING THE CAVITY.  IT PROVIDES OVER 96.5% OF OPEN AIRSPACE IN THE MASONRY CAVITY FOR OPTIMUM VENTILATION.  THE EXTREMELY HIGH AIRFLOW AND LACK OF MORTAR INTRUSION ALLOWS FOR EFFICIENT LIQUID MOISTURE DRAINAGE AND VENTILATION OF THE CAVITY IN ALL DIRECTIONS.  IT IS INSTALLED THE FULL HEIGHT OF THE MASONRY WALL AND IS DESIGNED TO REST BETWEEN THE BRICK TIES.  THE CAV-AIR-ATOR COMES IN 4 FOOT LONG PIECES THAT ARE AVAILABLE IN 16 INCH OR 24 INCH HEIGHTS.

1. Physical Characteristics: Three-dimensional mat made up of an extruded polymer matrix of entangled monofilaments. Non-woven, breathable fabric heat laminated on one side of the product.
   • 40” /  0.75”  /  1.0”  /  1.75”  thick.
   • 0’ long.
   • 16” /  24”

2. Performance:
   • Drainage of moisture and ventilation in masonry cavity.

3. Material: UV stabilized polypropylene.
   • Class-A flame spread per ASTM E84.
   • Hydrophobic compound.
   • Resistant to chemicals.
   • Does not support mold growth.