QV – Quadro-Vent™

QV – Quadro-Vent’s honeycomb design allows passage of moisture from cavity to the building exterior while restricting ingress of insects and other debris


Standard size: 3/8″ x 2-1/2″ x 3-3/8″
Jumbo size: 3/8″ x 3-1/2″ x 3-1/2″
Other sizes available upon request


  • Quadro-Vent™ allows passage of moisture up to its 2 1/2″ height, important in the event of mortar droppings at bottom of the cavity
  • Polypropylene tested in conformance with ASTM D2240, D790B, D638 and D1238B
  • Also suitable for top of wall venting