Thaw Frozen Drains | How To

Once your drain is flowing, take steps to stop it from happening again:

When the temperature drops, frozen drains can quickly turn from a minor nuisance into a major plumbing emergency.

Main sewer line freezes require commercial hydro-jetting equipment. how to thaw frozen drains

Pour 2 litres of hot (not boiling) water slowly down the drain. Repeat the process if the water drains slowly.

Run your hand along exposed pipes; look for physical frost or a layer of condensation on the outside. ❄️ Proactive Steps to Prevent Frozen Drains Once your drain is flowing, take steps to

If your main sewer line (the line leaving your house) is frozen, the clog is likely underground or outside. This is more difficult to fix yourself.

When winter temperatures plummet, exposed or poorly insulated pipes can freeze—and that includes your drains. A frozen drain doesn’t just mean slow drainage; it can lead to standing water in sinks, tubs, or basements, and even burst pipes if not handled correctly. Here’s how to safely identify and thaw frozen drains. Repeat the process if the water drains slowly

Salt lowers the freezing point of water, helping melt the ice blockage naturally.

(like a blowtorch)—this can melt pipe joints, start a fire, or create steam explosions.

Keep your home thermostat set to the same temperature during both day and night. Never drop your thermostat below 13°C (55°F) when traveling during winter. Seal Exterior Air Leaks

Are the pipes and visible, or are they hidden inside a wall ?