1 size designed for 24" and 16" rafter spacing

Prevents ice buildup on roofs and keeps houses warmer in the winter and cooler in the summer

Made of extruded polystyrene foam

Economical option for new construction

Wide flanges for easy stapling

Perforated for easy separation

Installing attic ventilation channels between the rafters or trusses provides an unobstructed air channel through the insulation

Without attic ventilation channels air cannot flow ly from the soffit to the exhaust vents

Poor air flow reduces insulation efficiencies and accelerates problems due to moisture

1 ventilation channel per rafter or truss cavity is

Dimensions: 22" x 48"

Air channel depth, 1

4"

Net vent, 18

7 sq

in