Roof vent terminations are weatherproofed. Use with 4" DuraVent Type B Gas Vent pipes. Adjusts to roofs with pitches between 0/12 to 6/12. Made of long-lasting galvalume. 25-year warranty included. Storm Collar must be ordered separately. Dimensions: 18 3/8" L x 17" W. This unit necessitates a venting pipe with a 4" inner diameter. Dura-adjustable Vent's roof flashing makes it simple to protect a through-roof ventilation system. This Type B gas vent flashing weatherproofs vent terminations on roofs and is designed for use with vent pipes having a 4" diameter. This roof flashing adjusts to roofs with pitches anywhere between 0/12 to 6/12 and is made of durable galvalume construction. This adjustable roof flashing comes with a 25-year warranty, and a storm collar must be purchased separately for this application.

Weather-proofs vent terminations on roofs For use with 4" Dura-Vent Type B Gas Vent pipes Adjusts to roofs with pitches between 0/12 to 6/12 Durable galvalume construction 25-year warranty *Separately purchased Storm Collar required Dimensions: 18 3/8" L x 17" W