A gasket stop and gasket housing apparatus are provided. In one embodiment, the invention provides a gasket stop comprising: a body having: a first surface; and a second surface spaced from and substantially parallel to the first surface; an opening extending from the first surface to the second surface; at least one pillar extending at an acute angle from the first surface; and at least one retaining device having: an upright portion with at least one face; and a projecting portion extending outwardly from the body beyond the at least one face of the upright portion, whereby the at least one pillar and the at least one retaining device pass through a slot in a member such that the projecting portion secures the gasket stop against the member.