The shower drain in my new house creaks. The shower is fiberglass, and the pipe is PVC. When pressure is applied to the drain, there is a creaking/groaning sound. The builder is unwilling to take a serious look at the problem, and has shimmed under the shower base with door shims and liquid nails. The creaking sound was reduced slightly, but as time goes by it seems to be returning to it's original annoyance level. Any ideas on where the problem lies? Missing "O" Ring... pipe not cemented...

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Originally Posted by jdbrookie

The shower drain in my new house creaks. The shower is fiberglass, and the pipe is PVC. When pressure is applied to the drain, there is a creaking/groaning sound. The builder is unwilling to take a serious look at the problem, and has shimmed under the shower base with door shims and liquid nails. The creaking sound was reduced slightly, but as time goes by it seems to be returning to it's original annoyance level. Any ideas on where the problem lies? Missing "O" Ring... pipe not cemented...

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More then likely the drain pipes weren't secured or strapped correctly and the shower floor was never blocked up. Unless the installer has the good sense to block up the shower floor when he installs it the floor will give a little if the shower's plastic or fiberglass. The sound you hear is the drain pipes rubbing against the floor joists. Your builder doesn't wish to address it because it would mean opening up a floor or ceiling and doing the job right. This will cost him $ and perhaps involve more then one trade. Good luck and let me know how it comes out. Regards, Tom

Yes,
Something similar happened in my Dads place. The fiberglass/plastic shower base was not supported properly and after several years of strain the pvc pipe cracked.

Thanks for the info. I'll access the back of it through the adjacent wall closet and check it out.

That is letting the builder off easy, but it may be less hassle and you can make sure it is right.