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How to Prevent Frozen & Burst Pipes

By 24 Hours Water Damage Restoration Queens NY · Updated July 2026

Frozen pipes are one of the most common winter emergencies in Queens — and one of the most preventable. When water freezes it expands until the pipe splits, often flooding a home while the family is away. Here's how to protect yourself.

Why Pipes Burst in Winter

Pipes running through exterior walls, attics, crawl spaces, and unheated areas are most at risk. Older cast-iron and galvanized lines common in Queens homes are especially vulnerable. A burst can release hundreds of gallons before anyone notices.

Prevention Steps

  • Keep the heat on. Never let your home drop below about 55°F, even when you're away.
  • Let faucets drip during a hard freeze. Moving water is much less likely to freeze.
  • Open cabinet doors under sinks so warm air reaches the pipes.
  • Insulate exposed pipes in the basement, attic, and crawl spaces with foam sleeves.
  • Seal drafts near pipes in exterior walls.
  • Disconnect garden hoses and shut off outdoor faucets before winter.
  • Know where your main shut-off valve is so you can act fast if a pipe does burst.

If a Pipe Freezes

If a faucet only trickles, a pipe may be frozen. Keep the faucet open, and gently warm the pipe with a hair dryer or towels soaked in warm water — never an open flame. If you can't reach it or it has already burst, shut off the main valve and call for help.

If a Pipe Bursts

Shut off your main water valve immediately, cut power to affected areas if safe, move valuables, and call a 24/7 restoration company to extract the water and dry the structure before mold sets in.

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Frequently Asked Questions

At what temperature do pipes freeze?+
Pipes are at risk when temperatures drop below about 20°F, especially those in exterior walls or unheated spaces. Keeping your home above 55°F helps prevent it.
Should I leave faucets dripping in winter?+
Yes, during a hard freeze. A slow drip keeps water moving and relieves pressure, making a freeze and burst far less likely.
What do I do if a pipe already burst?+
Shut off your main water valve, cut power to the area if safe, move valuables, and call a 24/7 water damage company right away to limit the damage.
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