Removing a bathtub to install a shower stall? Here's how to make the transition without a lot of work and messy revisions. From deep within the Carey Brothers' vault of make-sense makeovers, we bring make-sense ideas to win you over. Indeed, says here that when you tear out a bathtub to replace it with a shower stall, you no longer have to do major construction work such as reframing walls and reworking plumbing to fit and match up with a new shower stall. Bright minds from the plumbing industry have come up with a super, yet simple, solution. It's simply a shower stall base with exactly the same measurements (length and width) as a standard 5-foot bathtub. And with plumbing that matches up, too. And that's the On The House tip for today.