Masonry drainage, ventilation

1505ext01pLathNet provides drainage and ventilation between the metal lath and substrate in adhered-masonry veneer installations. The product combines a 2 1/2-lb. G-60 galvanized, expanded-steel lath with a polyester-mesh drainage plane in one engineered and tested system. The material installs like regular lath and reportedly cuts installation time, compared with installing drainage and lath separately, while reducing wall penetrations. It provides a 1-in. minimum overlap to assist with code compliance, conforms to ASTM C847, and allows rapid drainage and drying behind the veneer.


  • Drainage, ventilation between metal lath and substrate
  • Installs like regular lath
  • Provides minimum overlap for code compliance

Mortar Net Solutions, Burns Harbor, IN
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