How to Unfreeze a Drain Pipe: A 2021 Winter Survival Guide When winter temperatures drop below 20°F, your plumbing is at high risk. If you turn on the tap and only get a trickle, or if your sink won't drain, you likely have a frozen pipe.
For internal blockages, a chemical reaction can generate mild heat and lower the freezing point of the ice:
If the pipe is in a cabinet or enclosed space: how to unfreeze a drain pipe 2021
The Recipe: Boil a kettle of water and stir in about one cup of kosher or table salt until dissolved.
Heating Pads or Towels: Wrap the frozen area in electric heating pads or towels soaked in hot water. This provides a gentle, consistent heat source that reduces the risk of the pipe cracking from thermal shock. How to Unfreeze a Drain Pipe: A 2021
: Use an infrared heat lamp aimed at the wall where the pipe is located to heat the surface more effectively than a standard heater. Lakeway MUD insulation materials
Cost in 2021: Quality heat tape runs $30-$60 and is available at any hardware store. Heating Pads or Towels : Wrap the frozen
If you cannot locate the freeze, the pipe is underground, or you see visible cracks, you should contact a licensed plumber. Professionals use specialized equipment like hydro jetters (hot water jetting) or electronic pipe-thawing machines to safely clear deep blockages.
NO Boiling Water: Never pour boiling water directly onto an icy pipe. The extreme temperature shock can cause the pipe to crack or joints to fail.