Benefits of our RCV Stem Vent

The stem vents eliminated the need for metal adapters by integrating the stem into the roof cap

Dampered vent features one-way vent system

Available in 4" and 6" diameters.

Colors - Gray, Black and Dark Brown


Base is 2.5# lead 18" x 18"

Stem is 3 7/8" long for easy positive connection.

Made on the same I.C.B.O approved plastic used in larger roof vents

Benefits of our Rvo Vent

38 square inches "true" net free area, calculated according to SMACNA specification.

Available in musket brown, black and gray (pre-painted), also available in paint ready aluminum-zinc coated

Removable hood attached by 4 slotted hex-head sheet metal screws


Flange is 4 1/'2" from throat

Base is 2.5# lead, 18" x 18"

Hood is 10 1/2" x 10 1/2"

Painted metal is .016 (underlying thickness is equal to G-90)

Bare metal (aluminum-zinc) is .019 ( coating thickness equal to G-90)