The shower pan in our 2016 CL TBS16 is loose and cracked so water gets in when it rains when we are towing. I am going to do a temp fix by putting Gorilla tape over the cracked section for our upcoming trip but will need to replace after, preferably with a thicker pvc. Seems odd that it sinks when I push down like I did when taking the attached pics, since that should be aluminum framing underneath. Thanks! (https://uploads.tapatalk-cdn.com/20250615/5b4a0714bc55443faccbe8f9a648b9b4.jpg)
(https://uploads.tapatalk-cdn.com/20250615/03c3673cc2e88338c24a7c63570f86f2.jpg)
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I had to take out my 2015 16TBS shower pan shortly after I bought the camper because the drain was misaligned with the pipe underneath and it caused a flexing of the pan along with bad draining. The shower pan sits on a full size piece of 1/2 inch plastic that in turn sits on the aluminum framing. The plastic gives the pan support. It's possible that support plastic on yours broke, or maybe the shower pan is just getting old. It's not too big a job to get the pan out and they are a standard item to buy.