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Tub or shower wall tile preparation: Apply a layer of 1/2â³ thick cement backer board to the wall studs. Tape any seams and corners with fiberglass tape. Apply thin-set adhesive over the fiberglass tape, and allow it to dry. Roll a waterproofing sealer over the walls, and allow the sealer to dry.
Itâs very easy to use. Simply lay the waterBOB&reg liner in your bathtub, attach the fill sock to the faucet and fill the bladder to capacity, which takes approximately 20-30 minutes, depending on water flow and size of tub. A siphon pump is included to easily dispense the water into jugs or pitchers for use.