Water that won't drain or moves "like molasses" during extreme cold is a primary sign.

(like a blowtorch). This can melt pipe joints, start a fire, or generate steam that bursts the pipe. Instead, try these safer methods:

If the pipe is frozen in a cabinet or a specific area under the house:

Confirm that the blockage is indeed ice and not a standard clog.

Clearing Frozen Drain Pipes Jun 2026

Water that won't drain or moves "like molasses" during extreme cold is a primary sign.

(like a blowtorch). This can melt pipe joints, start a fire, or generate steam that bursts the pipe. Instead, try these safer methods: clearing frozen drain pipes

If the pipe is frozen in a cabinet or a specific area under the house: Water that won't drain or moves "like molasses"

Confirm that the blockage is indeed ice and not a standard clog. start a fire