RV28 8 Gooseneck Roof Vent
Roofing - How To Install 10 inch Exhaust Vent Asphalt Shingles EDIT: Before adding sealant on the top side, put nails on each corner. I forgot to show the top ones on this video. Based on This This vent is considered to be the most efficient roof vent on the market. The airflow conduit increases 63% (12.56 sq. inch opening ...