How to drain a free standing bathtub
First &amp; foremost you need a Freestanding Tub Drain Kit, no regular piping will work. These drains are extremely tight 90's &amp; will leave space above the floor.



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Then, you need either a trap in the floor of the drain you have available in the area where you want the tub. If there's no trap &amp; you'd rather not rip up the floor. Then, you can put the tub on a platform for just the tub or for that whole side of the bathroom. This can also allow you to face the tub in your preferred position.