Re: frozen shower drain & sink
Posted by e-plumber on January 19, 2004 at 09:16:16:
In response to Re: frozen shower drain & sink
: Bathroom sink and shower drains froze in new bathroom addition. Plumber able to defrost sink but shower still frozen for 5 days. Pipes were insulated by contractor. What can I do to unclog shower drain and is there anything I can do to make sure this doesn't happen again. This bathroom is over an unheated crawlspace on the side of our house.

Install a space heater in the crawlspace and allow the heat to rise and speed up the thawing process. In order to prevent it, you may need to install permanent heating in the crawlspace or a temp fix would be to pour anti-freeze into the shower drain trap after each shower to prevent it from freezing. Your lucky your water lines didn't freeze.
Good Luck. e-plumber

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