When temperatures drop below freezing in Harrisonburg, the water sitting inside your pipes can freeze, expand, and crack the pipe from the inside. The damage often does not show until the ice thaws and water pours out. The good news is that preparing for a freeze is straightforward, and a little effort before the cold arrives saves a lot of trouble. If you would rather have a pro look things over, contact us or call 540-820-4349.
Why Freezing Water Breaks Pipes
Water is unusual: it expands as it freezes. When water in a pipe turns to ice, it pushes outward with surprising force. That pressure builds between the ice blockage and a closed faucet until something gives, and that something is usually the pipe wall or a fitting. People often assume the pipe splits where the ice is, but the break frequently happens downstream where the pressure has nowhere to go. This is also why a cracked pipe can stay quiet for days; the ice plug is still in place, holding the water back, and the leak only reveals itself once things warm up and the ice melts.
Which Pipes Are Most at Risk in the Valley
Not every pipe in your home faces the same danger. The ones that freeze first share a common trait: they sit in cold, exposed, or poorly insulated spots where the home's heat never quite reaches. Older Valley homes are especially prone to this because pipes were often run through spaces that were never meant to stay warm. In Shenandoah Valley homes, the usual suspects are:
- Pipes in unheated crawlspaces, basements, garages, and attics.
- Lines running along exterior walls with little or no insulation.
- Outdoor spigots and hose bibs left connected to a hose.
- Plumbing in vacation homes or rentals kept at low heat.
- Supply lines to water heaters or fixtures in drafty corners.
How to Prepare Before the Cold Hits
Most freeze prevention is simple and cheap compared to a repair. Before a hard freeze moves in, take an afternoon to handle the basics:
- Disconnect and drain garden hoses, and shut off or cover outdoor spigots.
- Add foam insulation sleeves to exposed pipes in cold spaces.
- Seal drafts and gaps near pipes in crawlspaces and basements.
- Let a slow trickle run from a faucet fed by a vulnerable pipe.
- Keep your heat on, even when away, and never let the house go cold.
Do Not Forget the Water Heater
Cold weather makes your water heater work harder, and a unit that is already aging may struggle to keep up or fail outright in the middle of a cold spell. Incoming water is colder in winter, so the heater has to do more work just to deliver the same warm shower, which puts extra strain on an older tank. If your hot water has been slow, inconsistent, or rusty looking, the dead of winter is the worst time to lose it. It is worth checking on your water heater before a freeze rather than after, when scheduling a replacement is easy and you are not going without hot water in the meantime.
If a Pipe Freezes Anyway
If you turn on a faucet and only a trickle comes out, you may have a frozen pipe. Keep the faucet open, apply gentle warmth with a hair dryer or towels soaked in warm water, and never use an open flame. If you cannot find the frozen section, or you suspect a pipe has already cracked, our leak detection team can pinpoint the problem quickly. You can also check whether we cover your town on our service areas page.
When to Call Two Brothers
We are a family-owned, licensed and insured plumbing and gas company that knows Valley winters firsthand. Whether you want help preparing for the cold or you are staring at a pipe that already let go, reach out or call 540-820-4349. For more on protecting your home from frozen pipes, the American Red Cross has clear guidance at redcross.org.