The short answer
Why Heat Doesn't Always Protect Pipes
Your thermostat might be set to 55 degrees Fahrenheit, thinking that keeps pipes safe, but the actual temperature near an exterior wall or in a crawl space can drop below freezing. Warm air doesn't reach every corner, especially if vents are closed or furniture blocks airflow. Pipes in cabinets, garages, or attics are the most vulnerable spots.
A power outage or a furnace malfunction can stop the heat entirely while you're away. Even if the heat is on, a broken thermostat or a tripped circuit breaker can leave the house cold. If you return to a cold house, check the temperature near the pipes with a thermometer, not just the wall thermostat.
- Set the thermostat at least to 55 degrees, but higher if you have pipes in cold spots.
- Open cabinet doors under sinks to let warm air circulate.
- Seal gaps and cracks around exterior walls where cold drafts enter.
- Insulate pipes in unheated areas like garages and crawl spaces.
- Let faucets drip slightly during extreme cold to relieve pressure.
- Keep the heat on even when you're away for a few days.
What Happens When Water Freezes
Water expands about 9 percent when it freezes. Inside a pipe, that expansion creates tremendous pressure, often causing the pipe to crack or burst. The burst might not happen at the exact moment of freezing; it can occur later when the ice thaws and water pressure spikes.
The damage from a burst pipe can be extensive, soaking floors, walls, and belongings in a short time. Even a small crack can release hundreds of gallons of water. That's why it's important to act quickly if you suspect a problem, even if you don't see water yet.
How to Find the Leak
If you suspect a burst pipe, shut off the main water valve right away to stop the flow. Then look for signs of water: damp spots on ceilings or walls, the sound of running water, or a sudden drop in water pressure. Check the basement, crawl space, and areas near exterior walls first.
If you can't locate the source, local water damage pros can use moisture mapping and leak detection equipment to find hidden leaks. They can also assess the extent of the damage. Acting quickly helps limit the mess and makes cleanup easier.
- Shut off the main water valve immediately if you suspect a burst.
- Look for water stains, dripping sounds, or a musty smell.
- Check the water meter: if it moves with all taps off, you have a leak.
- Turn off the electricity in affected areas if water is near outlets.
- Document the damage with photos for your insurance claim.
What to Do After a Burst
Once you've stopped the water, call local water damage pros to extract standing water and begin drying the area. They use pumps, vacuums, and dehumidifiers to remove moisture quickly. The longer water sits, the more damage it does to drywall, flooring, and framing.
Also call your insurance company to report the claim. Policies vary, and your insurer decides what is covered. Take photos of the damage and keep receipts for any supplies you buy. A professional inspection can help document the extent of the damage.
How to Prevent Future Bursts
Prevention starts with understanding your home's weak points. Insulate exposed pipes in unheated areas, seal drafts, and keep the heat at a consistent level. If you leave for a long time, consider draining the water system or setting the thermostat to at least 55 degrees.
If you live in Layton, keep your shutoff valve location written down and know how to turn it off quickly. Also, ask a plumber to check your pipes for existing weaknesses. A little preparation can save you from a major cleanup later.
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Call Now (801) 383-0232Frequently asked questions
What temperature should I keep my heat at to prevent frozen pipes?
Set your thermostat to at least 55 degrees Fahrenheit, even when away. But remember, that's the air temperature near the thermostat, not necessarily near pipes. Check the actual temperature in cold spots like garages or crawl spaces, and adjust accordingly.
Can a small crack in a pipe cause a lot of damage?
Yes. A small crack can spray water at high pressure, soaking a room in a short time. Even a slow drip can cause significant damage over days. Always treat any suspected leak seriously and shut off the water if you can.
Should I file an insurance claim for a burst pipe?
Yes, contact your insurance company to report the damage. Policies vary, and your insurer decides what is covered. Take photos and keep records of the damage. A professional inspection report can help with your claim.