Patent ID: 6974379

Claim:
A vent, which together with one or more building apertures, provides a route for gas flow through a building surface, the vent comprising: a base member having a vent aperture through a surface thereof, the base member comprising a generally planar mounting flange on at least a portion of a perimeter thereof for mounting the base member within a building surface such that the vent aperture is in fluid communication with the one or more building apertures, the mounting flange shaped to permit at least a portion of the mounting flange to extend between an internal building surface layer and one or more external building surface layers in a direction generally parallel to at least one of: the internal building surface layer and the one or more external building surface layers; and a vent cover which is removably mountable to the base member when the base member is mounted within a building surface and the portion of the mounting flange extends between the internal building surface layer and the one or more external building surface layers, the vent cover comprising a hood member which, when the vent cover is mounted on the base member, projects downwardly and outwardly from the base member for conveying moisture away from the vent aperture.