If you can access the pipe (basement, crawlspace), feel for the coldest spot.
It may seem counterintuitive; after all, you run hot water down the drain every day. However, shower drains are particularly susceptible to freezing for several reasons: frozen shower drain pipe
Boiling water is the most common DIY fix, but you must be careful. Pouring boiling water directly onto a freezing cold ceramic or plastic basin can cause it to crack. If you can access the pipe (basement, crawlspace),
Avoid aggressively jamming a metal snake into a frozen pipe. Plastic pipes become brittle when frozen and can easily puncture. How to Prevent Future Freeze-Ups Pouring boiling water directly onto a freezing cold
There are few things more jarring on a cold winter morning than stepping into a steaming shower, only to find yourself standing in a pool of freezing water that refuses to drain. While a clog caused by hair or soap scum is a common nuisance, a frozen drain pipe is a winter emergency that requires immediate attention.
This is a practical, step-by-step guide to handling a . Unlike supply lines, drain pipes are not pressurized, but a frozen blockage can cause water to back up into your shower pan (or tub), leading to standing water, foul smells, and potential leaks.