Patent ID: 7526895

Claim:
A flashed vent conduit structure extending through a roof opening and comprising: a vent conduit through which hot gas may be vented to atmosphere, said vent conduit having an upper end portion vertically extending through the roof opening; an open-ended sleeve member coaxially circumscribing said upper end portion of said vent conduit in a horizontally outwardly spaced relationship therewith, said sleeve member having an upper end; circumferentially spaced, vertically elongated spacer members disposed between said vent conduit and said sleeve member and laterally extending therebetween in a manner such that vertical cooling passages are defined between circumferentially adjacent pairs of said spacer members, and vertical cooling passages are also defined within said spacer members; circumferentially spaced connection members extending laterally outwardly from said sleeve member and interconnecting said sleeve member and portions of the roof bordering the opening therein; a resilient flashing boot closely receiving said sleeve member and operatively secured to the roof; and a storm collar through which said vent conduit upwardly extends, said storm collar having an upper end supported in an upwardly spaced relationship with the upper end of said sleeve, the interior of said storm collar defining a downwardly opening outlet for upper end portions of said vertical cooling passages.