Frozen pipes can thaw on their own when temperatures rise above freezing, which often happens during the daytime in Texas after a cold night. While this may sound reassuring, the thawing process is actually when pipes are most likely to fail. As ice melts inside the pipe, water pressure builds and can cause cracks or sudden bursts.
Why is thawing of frozen pipes dangerous?
Many homeowners assume pipes only break while frozen, but the real risk often comes afterward. When water begins flowing again, weakened sections of pipe may not handle the pressure. This can result in leaks behind walls, under floors, or in ceilings that go unnoticed until serious damage has occurred.
Why are homes in Texas more vulnerable?
Texas homes are not typically built for extended freezing weather. Pipes are often located in attics, garages, crawl spaces, or exterior walls with limited insulation. When a hard freeze hits, these areas cool quickly and stay cold longer, increasing the chance of frozen and burst pipes once thawing begins.
Signs you may have a frozen pipe
A frozen pipe does not always announce itself clearly. You may notice little or no water coming from a faucet, or only a slow trickle (although this could be due to clogged drain as well). Frost on exposed pipes can be another sign. In some cases, strange smells from drains may appear when water is blocked by ice.
Should you wait for pipes to thaw naturally?
Waiting for warmer temperatures can work in mild cases, but it carries risk. If the frozen section is hidden and the pipe bursts during thawing, water damage can escalate quickly. Turning off the main water supply is a smart precaution if you suspect a frozen pipe and cannot safely access it.
Safe ways to help frozen pipes thaw
If the frozen pipe is accessible, gentle warming can reduce the risk of damage. Opening cabinet doors allows warmer air to reach pipes under sinks. A space heater placed safely in the room can raise the temperature, and a hair dryer can be used on exposed pipes, starting near the faucet and moving slowly toward the frozen area. Avoid open flames or high heat, which can damage pipes and create fire hazards.
What to do after the pipe thaws?
Once water flow returns, do not assume the problem is over. Check carefully for leaks around sinks, appliances, walls, ceilings, and attics. Freezing of the pipes could have left small cracks and they may only show signs of moisture at first but can worsen over time if left untreated.
Preventing frozen pipes in Texas
Prevention is especially important in a climate where freezing temperatures are unpredictable. Letting faucets drip during cold nights can relieve pressure in pipes. Insulating exposed pipes in attics and garages helps protect them from sudden cold snaps. Sealing gaps where cold air enters and keeping the home heated consistently, even when away, can significantly reduce the risk of frozen pipes during Texas winters.