Device for closing wall openings against entry of floodwaters into buildings comprises a metal plate which is clamped to an aluminum frame on a wall outer surface around the opening

摘要

The device for closing wall openings against entry of floodwaters into buildings comprises a metal plate (4) which is provided with several clamping screw units (6) and a rubber seal (5), is placed on an aluminum frame (2) on a wall outer surface around the opening, and is held in place by means of the clamping screws pressed against a wall inner surface (8).