Frozen Sink Drain Pipe |top| -

Pour the mixture directly down the drain opening. Wait: Let it sit for 15 minutes to melt the ice core. Method B: Under-Cabinet Direct Heat

If you need specific help troubleshooting your layout, tell me: Is your drain pipe made of ?

Check for cracks or gaps in your walls, especially near where pipes enter the house. Cold drafts blowing directly onto a pipe are a common cause of freezing. Use caulk or spray foam to seal these gaps.

Here is everything you need to know about how to safely thaw a frozen drain pipe and how to prevent it from happening again. frozen sink drain pipe

Before you begin, verify that the issue is indeed a frozen drain and not a standard clog. If the toilet and other drains in the house work fine, but one specific sink is backed up, and that sink is located near an exterior wall, you likely have a frozen pipe.

Choose one or more of these safe methods based on where the frozen section is located. Method A: The Boiling Water and Salt Flush

Best for ice blockages located close to the sink basin trap. Pour the mixture directly down the drain opening

Know where your main water valve is located in case a pipe splits during thawing. 3. Step-by-Step Methods to Thaw a Frozen Drain

When temperatures plummet, the water trapped inside your drainpipes can freeze solid, creating an ice blockage that stops all flow. If left unchecked, the expanding ice can burst the pipe, leading to significant water damage and costly repairs.

Once you have thawed your drain, take steps to ensure it doesn't happen again when the next cold snap hits. Check for cracks or gaps in your walls,

[ Sink Basin ] ---> 1. Pour Boiling Water + Salt | [ P-Trap ] ---> 2. Heat melts local ice trap | [ Drain Pipe ] ---> 3. Brine lowers freezing point deeper in line Bring one gallon of water to a rolling boil.

Stop your sink drain from freezing during future winter storms with these structural upgrades: