Patent ID: 6835129
Filing Date: 2004-12-28
Classification: F24F

Abstract:
A method of temporarily scaling a duct boot opening having an edge to prevent debris from entering a duct system during construction, and of improving the seal of the duct boot opening when construction is finished, said method comprising the steps of:(a) providing a duct boot seal having a selectively removable cover portion extending to and surrounded by a rim, at least one side wall disposed at a substantially right angle to the cover portion and integral with the rim to form a recess for engagement with the edge of a duct boot edge, wherein the recess includes opposing expansions that facilitate a snap fit of the seal over the duct boot edge, the at least one side wall having interior and exterior surfaces, and a flange disposed outwardly from the at exterior surface of the least one side wall; (b) fitting the duct boot seal over the edge of the duct boot opening so that the cover portion of the duct boot seal covers the duct boot opening during construction; and (c) removing a portion of the cover portion when construction is completed.