Net Free Area (ventilation) 18 sq in per linear foot. Premium ridge vent with 3" (76 mm) ring shank nails allows heat/moisture to escape the attic. Available in 11.5" (292 mm) & 9" (229 mm) widths. The EasyTear Sizing feature allows you to hand-tear product in 3" (76 mm) increments.
Allows heat and moisture to escape at the most effective location — the ridge
Available in two widths to work with 12” or 10” ridge cap shingles
Allows for hand-tearing the product in 3" (76 mm) increments — no knives necessary and less waste