Alpine Metal Roof Vent Features Overview Installation Roof Hole Cutout Size 150 Hole Cutout Type Round Duct size 150mm Ductable Yes – 150mm diameter Designed for metal roofs, this compact vent features a 150mm round duct outlet and is constructed from galvanised steel with BAL-40 rated mesh for bushfire protection. It’s easy to install and powder coat-ready. Refer to this installation manual for more information: Alpine Roof Vent Installation Instruction Refer to this spec sheet for more information: Alpine Roof Vent Spec Sheet
