WATER INTRUSION PREVENTION TOOL FOR DOOR OPENING

To provide a water intrusion prevention tool for a door opening, which does not require a door body to be closed in order to produce a water stop effect on the door opening, and eliminates the need to close the gap between the door body and the door frame with putty or the like.SOLUTION: A water intrusion prevention tool 1 for a door opening includes: water stop plate 11 having edges facing the respective outdoor side surfaces of the lower sides of left and right vertical door stops 83a of a door frame 83 and lower shoe slides 83b of the door frame 83, and is arranged so as to close the lower side of the door opening 81; a sealing member 12 located on the indoor side surfaces of the edges of the water stop plate 11; at least one horizontal bar member 13 having edges facing the indoor side surfaces of the lower sides of the left and right vertical door stops 83a of the door frame 83 and arranged to face the water stop plate 11; a horizontal bar support 14 that supports the horizontal bar member 13 on the indoor side of the water stop plate 11; and a moving operation member 15 that is attached to the horizontal bar support 14 and presses the horizontal bar member 13 to draw the water stop plate 11 toward the door frame 83 side.SELECTED DRAWING: Figure 5 【課題】ドア開口に対する止水効果を出すために扉体が閉められる必要が無く、パテ等で扉体とドア枠の隙間を塞ぐ必要もないドア開口の浸水抑止具を提供する。【解決手段】ドア開口の浸水抑止具１は、ドア枠８３の左右の縦戸当たり８３ａの下部側およびドア枠８３の下部の沓摺８３ｂの各々の屋外側面に対向する縁部を有し、ドア開口８１の下部側を封鎖するように配置される止水板１１と、止水板１１の上記縁部の屋内側面に位置するシール部材１２と、ドア枠８３の左右の縦戸当たり８３ａの下部側の屋内側面に対向する縁部を有し、止水板１１に対向して配置される少なくとも１本の横棒部材１３と、止水板１１の屋内側で横棒部材１３を支持する横棒支持体１４と、横棒支持体１４に装着され、横棒部材１３を押圧し、止水板１１をドア枠８３側に引き寄せる移動操作部材１５と、を備える。【選択図】図５