| 摘要 |
A self-adhesive washer including a pressure sensitive adhesive on both sides of a center layer. The washer is preferably used to attach a drain shoe to a bathtub in combined bathtub and shower units to eliminate the need for more than one installer. The washer may be adapted to fit the shape of the drain shoe. Washers having both adhesive layers and a center layer, preferably cellular plastic, may serve both to adhere the drain shoe to the bathtub, and after completion of the drain assembly installation, to seal the drain shoe to the bathtub.
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