flap door

flap door

A small door, hinged horizontally along the bottom, that opens downward.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
Mentioned in ?
References in periodicals archive ?
Prior to installing the new door in 2001, the company's 324,000-square-foot distribution center in Fargo, N.D., had been using flap doors and quick doors with pull ropes to separate the 60,000-square-feet freezer space and 130,000 square feet of coolers containing perishables from the rest of the facility.
For the past fortnight, eight women across North Wales have been put through their paces - inspecting flood defences, river banks, tidal flap doors and sampling water reserves.