Frozen pipes can cause serious damage to your home and lead to costly water and pipe repair bills. In New Jersey, where winter temperatures regularly drop below freezing, taking preventive steps is one of the smartest things homeowners can do. Keeping your plumbing system warm, insulated, and protected helps avoid burst pipes, leaks, and flooding.
If you’re already seeing signs of pipe damage or leaks, it’s best to call a licensed plumber who can assess and repair the issue before it turns into a bigger problem.
Why Frozen Pipes Are a Real Threat for NJ Homeowners
When the temperature dips below 32°F, any water trapped inside your plumbing can freeze and expand, putting immense pressure on your pipes. Eventually, that pressure causes cracks or full bursts.
Homeowners in New Jersey’s older neighborhoods often have pipes in exterior walls, crawl spaces, or unheated basements. These are high-risk zones for freezing. Common warning signs include slow water flow, frost on pipes, or strange gurgling noises from faucets.
If you notice these, it’s time to act fast and contact a local plumber to prevent a burst.
Common Places Pipes Freeze in New Jersey Homes
Frozen pipes tend to occur in unheated or poorly insulated areas such as:
- Basements and crawl spaces
- Attics or garages
- Exterior walls
- Under kitchen and bathroom sinks
- Outdoor hose bibs and sprinkler lines
Cold drafts from gaps or cracks in walls and foundations make things worse. Even a small airflow leak can lead to frozen water lines, especially during extended cold snaps or overnight freezes.
Protecting Your Plumbing Before the Freeze
Insulate Pipes in Unheated Spaces
Insulation is your first line of defense. Wrap exposed pipes in foam sleeves, fiberglass, or rubber insulation. Focus on spots that don’t get heat, like basements, attics, or under sinks. Also areas like seal gaps around pipes with expanding foam to block cold air.
If your home has older galvanized or copper piping, ask a professional plumber to inspect them before winter. They can recommend insulation or rerouting to reduce exposure to freezing temperatures.
Use Faucet Covers for Outdoor Fixtures
Outdoor faucets and hose spigots are especially prone to freezing. Install foam faucet covers before temperatures drop to keep cold air out. Disconnect garden hoses completely and drain any leftover water.
Install Heat Tape or Heat Cables
For high-risk pipes, heat tape provides a layer of warmth that activates automatically in freezing weather. It’s especially useful in crawl spaces or garages. Just make sure you follow the manufacturer’s safety instructions.
Smart Habits That Prevent Frozen Pipes
Seal Air Leaks Around Your Home
Drafts can lead to major pipe problems. Seal gaps around windows, doors, and wall penetrations (especially near pipes).
Even small cracks can let freezing air hit plumbing behind walls. Caulking or foam sealant works well for these areas.
Keep Water Moving
Let faucets drip slightly when temperatures are below freezing. The constant movement reduces pressure buildup inside pipes. Target cold zones like basement sinks or bathrooms near exterior walls.
Even a small trickle can prevent freezing and reduce the chance of a burst.
Maintain a Consistent Indoor Temperature
Don’t turn your thermostat down too low overnight or while you’re away. Keep your home heated to at least 55°F at all times.
Open cabinet doors under sinks to allow warm air to reach the pipes. If you’re planning to leave town, keep the heat running and consider turning off the main water supply to reduce risk.
Outdoor Winterization Tips for NJ Homes
Outdoor plumbing needs just as much attention as what’s inside. Before freezing temperatures arrive, take the time to prepare.
Shut Off and Drain Outdoor Lines
Turn off outdoor water valves and drain leftover water from spigots, sprinkler systems, and hoses. Leaving water in these lines is a guaranteed way to get frozen or burst pipes.
If you don’t have a shutoff valve inside, consider having a plumber install one for added protection.
Locate and Test Your Main Shut-Off Valve
Know exactly where your shut-off valve is and test it at least once a year. This makes it easier to stop flooding if a pipe bursts. Most homes in New Jersey have their valve near the water meter or where the main line enters the house.
What to Do if Your Pipes Freeze
If you suspect frozen pipes, shut off your main water supply immediately to prevent flooding. Then, gently warm the area using a hair dryer, space heater, or heating pad (never an open flame).
If water still doesn’t flow after a few minutes, or you’re unsure which pipes are frozen, it’s time to contact a professional pipe repair specialist. They can safely locate the freeze and make necessary repairs before the situation worsens.
Additional Tips for New Jersey Winters
- Keep garage doors closed during extreme cold.
- Wrap pipes near exterior doors or drafty basements with additional insulation.
- Replace old caulking and weather stripping around windows annually.
- Consider installing smart thermostats or freeze alarms to alert you to temperature drops while away.
These proactive steps can prevent thousands of dollars in potential water damage and ensure your plumbing system stays reliable all season.
Frequently Asked Questions About Frozen Pipes
What’s the best temperature to prevent freezing pipes?
Maintain your home’s temperature at no less than 55°F, even if you’re not home. It keeps pipes above freezing and helps maintain steady pressure in your system.
Can frozen pipes thaw on their own?
Sometimes, but it’s risky. As ice melts, pressure can suddenly release and burst the pipe. Always shut off your water supply and call a qualified plumber for safe thawing.
How do I know if my pipes are already frozen?
You might notice a lack of water flow, strange odors, or visible frost on pipes. If these signs appear, act immediately to prevent a burst.
Should I drip hot or cold water to prevent freezing?
Cold water is best. It uses less energy and still prevents freezing by keeping water moving through the line.
Can insulation alone stop freezing?
Insulation helps a lot but isn’t foolproof. Pair insulation with steady heat, sealed drafts, and occasional faucet drips for the best protection.
Keep Your Plumbing Safe This Winter
Frozen pipes are one of the most common and costly winter problems for New Jersey homeowners — but they’re also one of the easiest to prevent. A few simple habits and seasonal prep steps can save you from major stress later on.
If you’re concerned about frozen pipes or need professional help winterizing your system, call your local plumber at Instant Services. We offer fast, affordable pipe protection and repair throughout Gloucester Township, Cherry Hill, Marlton, Voorhees, and beyond.