Patent ID: 6701676
Filing Date: 2004-03-09
Classification: E04B

Abstract:
An apparatus for providing a closure for a ceiling opening to a space above the ceiling comprising: a housing having upright walls adapted to fit in an opening in a ceiling and extended upwardly into the space located above the ceiling, said walls surrounding a passage open to a space below the ceiling and the space above the ceiling, a door located in the passage for closing the passage, bottom members joined to said walls, said bottom members extended inwardly into the passage and having top portions located in said passage, said door having an outwardly directed flange located over and engageable with the top portions of the bottom members to support the door on the bottom members, a panel in said passage above said door, said panel being engageable with said door, and insulation means in said passage located above said panel for reducing heat loss through said passage.