Roof cowls are designed to provide a weatherproof opening in ducted systems to the outside of buildings. BVCQ models provide a range of sizes and capacities to suit almost any specification in either supply or exhaust air configuration. The cowls meet the requirements of AS 3959-2009 up to BAL-40.
Fabricated from heavy gauge galvanised steel. Ember penetration is prevented with stainless steel mesh with a maximum aperture of 2mm. Available in optional Colorbond™ colours.