Patent ID: 8209923

Claim:
A vent hood and flashing assembly for use on an upper surface of a metal roof having an elongate projection extending upward therefrom, said assembly comprising: a flashing that includes a resilient, flexible, water-repellant sleeve that is sized to fit over, and surround, the projection, said flashing having an upper end portion and a lower end portion, and said sleeve comprising an elastomeric material chosen from the group consisting of (a) rubber; (b) neoprene; and (c) polyurethane; a flange that extends outward from, and is attached to, said lower end portion of the flashing, said flange having an upper surface and a lower surface, and said lower surface having a plurality of grooves for sealingly engaging said metal roof; and a flexible, ring seal that overlies the upper surface of the flange; and a vent hood that includes a cover member; a skirt that depends from the cover member; means for attaching the upper end portion of the flashing to the vent hood below the cover member, said means including a metal or plastic bracket disposed within, and attached to, the skirt, which bracket is shaped and dimensioned to receive in surrounding engagement the upper end portion of the flashing; and a collar that is shaped and dimensioned to be received by the upper end portion of the sleeve in surrounding engagement whenever the upper end portion of the sleeve is engaged by the bracket; and a plurality of spaced-apart fasteners inserted through the collar and through the upper end portion of the flashing; and a mesh screen that overlies the upper end portion of the flashing, said screen being dimensioned to exclude rodents and other pests from entering the flashing.