Durovent® — the Number ONE selling vent in the industry! The polystyrene material provides a lightweight water resistant air channel and is ideal for high-volume new construction or lower cost re-insulation.
• An economical way to meet energy code requirements for air flow
• Multiple lengths and perforated center line to fit all applications
• Wide nailing flange and center strut allows for easy installation
• Net free vent: 18.7 sq in