Doorway flood barrier

A doorway mounted flood barrier comprising:

• a barrier wall detachably mounted in the doorway of a door and having two opposite vertical side edges and a horizontal bottom edge;
• segmented retainer means disposed between the barrier wall and a lower portion of the doorway for holding the barrier wall sealingly in the lower portion of the doorway;
• wherein the segmented retainer means includes a first seal segment sealingly disposed on the bottom edge, and second and third seal segments sealingly disposed on at least a lower portion of the two opposite side edges, respectively;
• wherein the seal segments are inflatable through separate valves;
• wherein the segmented inflatable seal segments are bonded to each other at two corners of the barrier wall so as to be straight and contiguous;
• wherein the barrier wall includes a pair of vertical stiffening ribs;
• and
• wherein the inflatable seal segments includes a medially disposed gripping member for contacting the doorway.