How To Fix Frozen Drain Pipe -
If the pipe is behind drywall or under concrete, you may need to cut an access hole. In severe cases, call a plumber with thermal imaging equipment.
Before applying any heat, by removing the sink stopper, lifting the toilet flapper (or plunging gently to clear the trap), or removing the shower drain cover. Why? As the ice melts, the backed-up water needs an escape route. If you don’t open the drain first, melting ice can push a column of wastewater up and out of the lowest fixture (usually a basement floor drain or shower). how to fix frozen drain pipe
This is the core of the job. (propane torch, heat gun on high, or lighter). PVC and ABS plastic pipes can melt or catch fire; even metal pipes can overheat and scorch surrounding wood or melt soldered joints. If the pipe is behind drywall or under
Once located, use gentle heat to melt the ice. , as this can melt PVC or cause metal pipes to burst. For Exposed Pipes This is the core of the job
If the freeze is deep, you may need to cut a small hole in the drywall to apply direct heat. For Internal Blockages (Standing Water)
Keep the tap slightly open so steam and melting water have a place to escape.
Plastic transfers heat poorly and melts easily.