Categories: Bathroom

How to Install a Bathtub in Basement Bathrooms — by Home Repair Tutor

Today we share how to install a bathtub in a basement bathroom. Our prior videos showed how to prep and self level the concrete floor, which made this installation much easier.

Helpful Links
Bathroom Repair Tutor — https://bathroomrepairtutor.com/video-library
Drain Pipe Cutter — https://amzn.to/2RMqB3F
Cable Drain Kit — https://amzn.to/2ygOt7A

Step one is to dry fit the bathtub. This basement bathroom was self leveled in our prior videos. As a result, our bathtub was perfectly level – but it’s always good to double check.

Step two is to install the cable bath drain. Use 100% silicone to adhere the rubber gasket and drain to the tub.

Step three is to dry fit the pipe and slip fitting into the P-Trap. Then dry fit the bathtub again to see how it’s drain lines up with the P-Trap pipe.

Step four is to glue all the PVC floor pipes and pour mortar on the basement floor.

Step five is to set the bathtub in the mortar, drill holes through the tub lip, and secure the tub to studs using galvanized screws.

Watch our video for all the details

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View Comments

  • Those acrylic tubs really have a lot of flex. Great idea putting a mortar bed down to support the tub.

  • Thanks so much for your work! Awesome post and I can't wait for the basement bathroom series. I installed amvic amdry insulated subfloor with the MgO surface in my basement. The tub area is approximately <1/2" out of level from one side to the other. Wondering if you have any recommendations on how to level a surface such as this? Thanks again and looking forward to all your videos.

  • Do you have a video of shimming the studs with what looks like plywood strips?

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