Principal claim, flood protection by the fact characterized that it itself around a rectangular, possibly also rounded steel framework (or : VA-steel, aluminum) depending upon wall opening, that is into one another adjustable and by 4, at the inside of the framework attached Feststellbzw. Extensionsschrauben on the individual size of the window, to which T黵e, or the gate, and/or any opening of a real estate, which is exposed to the flood, can be adapted.