Durovent 22" x 48" Rafter Vent, Constructed From Extruded Polystyrene Foam, Net Free Air Is 18.7 SQIN, Extra Wide Nailing Flange 1.5" Makes It Easy To Install, Full 48" Long, The Minimum Length Needed To Guarantee Airflow Through The Insulation, The Vent Is Pizza Cut In The Middle, Making It Easy To Split 2 For 16" On Center Applications.
The number one selling vent in the industry! The polystyrene material provides a lightweight water resistant air channel. Ideal for high volume new construction or lower cost re-insulation.
- Economical way to meet energy code requirements for air flow
- Perforated center easy to split for smaller truss openings
- Wide nailing flange and center strut allows for easy installation