WATERPROOF DRAIN INSTALLING STRUCTURE

摘要

PROBLEM TO BE SOLVED: To provide the waterproof drain installing structure capable of maintaining high waterproof performance in the periphery of a drain for a long time and removing a strainer and a sheet presser plate to easily clean and to repair a waterproof sheet when repairing the waterproof sheet without changing the whole of the drain nor using a repairing drain. SOLUTION: A sheet connector plate 4 is integrally overlapped with the top surface of a flange 1a of a drain main body 1 through a fixed form sealing material and/or an unfixed form sealing material. The top surface of the sheet connector plate is welded to the waterproof sheet 5 for integration by heating or using the solvent.