Installing the acrilic shower base and the drain attachment has 2 washers, 1 rubber and 1 friction, along with the threaded drain that passes through the shower base and the locking nut that tightens from under the base to secure the drain to the base. Question does the rubber washer go between the drain and the top of the base and the friction washer goes on before I tighten the locking nut from below or do both rubber & friction go on from under with the nut, and use silicone or plumbers putty for the top of drain?

Both rubber & friction go on from under with the nut, and use plumbers putty for the top of drain.

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Originally Posted by ThomasCKeat

installing the acrilic shower base and the drain attachment has 2 washers, 1 rubber and 1 friction, along with the threaded drain that passes thru the shower base and the locking nut that tightens from under the base to secure the drain to the base. Question does the rubber washer go between the drain and the top of the base and the friction washer goes on before I tighten the locking nut from below or do both rubber & friction go on from under with the nut, and use silicone or plumbers putty for the top of drain?

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Doug's bang on with his answer. Here's a picture to help you along. Good luck, tom