The present invention provides a flood-proof door (1; 2; 30) comprising: a door frame (3) with a first sealing member (5) provided around an outer periphery; and a PVCu hinged door (2) pivotally mounted to the door frame (3) and with a second sealing member (4) provided around an outer periphery wherein the hinged door (2) comprises an outer frame (6) enclosing one or more door panels (7), the outer frame defines an internal volume, an internal reinforcing member is located within the internal volume and a free space within a lower portion of the outer frame is filled with waterproof foam; and a locking system (9) formed along a closing side, lower side and hinged side of the hinged door (2) comprising at least one locking means (10) in a closing side of the hinged door (2), at least one locking means (12) in a lower side of the hinged door (2) and at least one locking means (13) in a hinged side of the hinged door (2), wherein all of the locking means (10, 12, 13) of the locking system (9) may be operated by a single locking mechanism through a system of cams and sliders. When the hinged door (2) is in a closed position within the door frame (3), the first sealing member (5) provides a first watertight seal between the hinged door (2) and the door frame (3) and the second sealing (4) member provides a separate second watertight seal between the hinged door (2) and the door frame (2). The flood-proof door (1; 2; 30) is particularly suitable for protecting properties against flash floods. The flood-proof door (1; 2; 30) is advantageous as it has two watertight seals. Furthermore the hinged door (2) can be locked in position within the door frame (3) completely around a lower portion of the hinged door (2) thereby enabling the maintenance of the two watertight seals and resisting the action of flood water on an outer face of the hinged door (2).
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