Patent ID: 8272186

Claim:
A plumbing vent pipe cover for placement on a vent pipe and a vent pipe flashing, the flashing having a raised boot crown and a gasket seal against the vent pipe, wherein the flashing is installed on an inclined roof having a selected roof pitch, the flashing positioned at least partially under roofing material on the roof, the vent pipe cover comprising: a) a first cover portion comprising: i. a cylindrical sheath having an open bottom and top for receiving the vent pipe therein, the cylindrical sheath having an inner diameter and an outer diameter, the inner diameter of the sheath being uniform from the top to the bottom, the sheath terminating in a flaring boot portion; ii. the flaring boot portion in fluid connection with and extending from the open bottom of the sheath for positioning over and covering the raised boot crown of the vent flashing without being positioned beneath the roofing material, the flaring boot portion defining a cavity extending away from the sheath configured to enclose the flashing; and iii. an alignment device adjustably connecting the sheath to the flaring boot portion sufficient to align the sheath on the vent pipe and the flaring boot portion on the raised portion based on the selected roof pitch; b) a second cover portion comprising: i. an inner and outer cylinder concentrically positioned in spaced relationship by a weatherproof connection at the top end of each cylinder, wherein a surface of the outer diameter of the sheath is held against an inner diameter of the second cover portion by friction; ii. the spaced relationship for positioning the second portion on the open top of the cylindrical sheath such that the inner cylinder is positioned on the inner part of the sheath and the outer cylinders inner surface is in contact with a surface on the outer diameter of the sheath for holding the second portion in place, the second cover portion is slidably adjustable with respect to the first cover portion.