How to Prevent Frozen Pipes During Winter

By Monty's Plumbing
on
Insulated pipes in basement to prevent winter freezing

Winter storms don’t wait for a convenient time. They burst in, sending temperatures plunging and putting your plumbing to the test. For homeowners and business operators, frozen pipes aren’t just an inconvenience—they can spell disaster.

At Monty’s Plumbing, we’ve thawed, repaired, and protected pipes in every kind of climate and building you can imagine. Our licensed, insured technicians know just how ugly things can get if you ignore freeze risks. Stay ahead of winter’s bite with this essential checklist.

Why Pipes Freeze

Water is strange stuff—it expands as it freezes. When it does, even the toughest pipes can crack like thin ice on a pond. Just a few hours of subfreezing weather can be all it takes.

  • Unprotected pipes in unheated spaces (think: attics, crawlspaces, garages) are most at risk.
  • Outdoor spigots and hose bibs freeze first.
  • Even pipes in exterior walls can chill quickly when the wind howls.

Frozen pipes block water flow. But the real trouble starts when they thaw—suddenly, water gushes from tiny cracks, flooding floors, damaging walls, and shutting down businesses.

At-Risk Areas in Homes & Businesses 🏠

Every building hides its own weak spots. Know yours before winter hits.

Common Residential Danger Zones

  • Basements (especially unfinished ones)
  • Attics and crawlspaces
  • Exterior walls with poor insulation
  • Under kitchen or bathroom sinks—especially on outside walls
  • Attached garages

Commercial Hotspots

  • Utility rooms with exposed plumbing
  • Warehouse bathrooms far from heat sources
  • Pipes running through loading docks or unheated stairwells
  • Sprinkler lines near exterior doors

Look for places where cold air sneaks in or heat doesn’t reach. If you’re not sure, a quick check with an infrared thermometer or a careful hand on the pipe surface can reveal cold spots.

Insulation Techniques That Work

Think of insulation as a warm jacket for your pipes. It slows the chill, buying you valuable time when temperatures drop.

  • Foam Pipe Sleeves: Easy to install, fit most household and business pipes. Cut to length, wrap, and tape.
  • Fiberglass Wrap: Great for pipes in super-cold areas. Wear gloves—fiberglass can itch.
  • Heat Tape or Cables: Electric options keep pipes above freezing. Always follow manufacturer instructions and local codes.
  • Seal Gaps: Use caulk or spray foam to close cracks where cold air seeps in—behind sinks, around pipes, or along foundation walls.

The U.S. Department of Energy and the International Plumbing Code both recommend insulating pipes in unconditioned areas. For commercial buildings, check with your local building authority for any extra requirements.

The Drip Faucet Method 💧

It’s simple—and surprisingly effective. On the coldest nights, let your faucets drip at a slow, steady pace. Why does this work?

A small flow keeps water moving, which makes it harder for ice to form. Focus on:

  • Faucets served by pipes running through unheated spaces
  • Sinks farthest from where water enters your building

Just a trickle—no need to waste water. But this little step can prevent a major headache. If you're worried about water bills, weigh it against the thousands you might spend fixing water damage.

When to Call a Plumber

Know your limits. Some DIY fixes hold up in mild weather, but winter is not the time to roll the dice.

Call Monty’s Plumbing if you:

  • Find a pipe that’s already frozen (don’t use open flames to thaw it!)
  • Notice slow water flow in multiple fixtures
  • Spot damp patches, bulges, or frost on the outside of pipes
  • Hear strange gurgling or hammering noises from walls

We’re equipped to handle everything from quick Sink Repair near you to urgent emergency plumbing responses, day or night.

The Cost of Ignoring Prevention

Frozen pipes are sneaky. The real damage often goes unseen—until it’s too late.

  • Burst pipes can dump hundreds of gallons in minutes.
  • Water ruins drywall, carpets, electronics, and inventory.
  • Business downtime means lost revenue.
  • Insurance claims can take months—and may not cover everything.

A bit of insulation or a quick call for preventative maintenance is a drop in the bucket compared to the tidal wave of repair costs. According to the Insurance Institute for Business & Home Safety, a single burst pipe averages more than $5,000 in property damage for homeowners—and far more for businesses.

Monty’s Freeze-Proofing Checklist for Every Climate 📝

For Cold Climates (Below Freezing Regularly)

  • Insulate all exposed pipes—don’t forget attics and crawlspaces.
  • Disconnect outdoor hoses; drain and cover hose bibs.
  • Add heat tape to pipes in unheated areas.
  • Keep garage doors closed.
  • Set your thermostat no lower than 55°F, even if you’re away.

For Mild Climates (Rare Freezes)

  • Insulate pipes that run through exterior walls.
  • Know your home’s shutoff valve location—practice turning it off.
  • On forecasted cold nights, open cabinet doors under sinks to let warm air in.
  • Plan for quick emergency plumbing access—save Monty’s number in your phone.

When Is It an Emergency? 🚨

Sometimes, the clock is ticking. Call Monty’s Plumbing immediately if:

  • No water comes from your taps (may indicate a frozen main)
  • You spot a burst pipe or sudden flooding
  • The building’s fire suppression system is affected
  • You lose heat and pipes are at risk

Our emergency plumbing team answers 24/7—because frozen pipes don’t wait for business hours.

FAQ: Preventing Frozen Pipes

How cold does it have to get for pipes to freeze?

Generally, pipes start freezing when temperatures drop below 20°F (-6°C), but wind chill and poor insulation can make them freeze sooner.

Can I use a hair dryer to thaw a pipe?

Yes, but only if you can reach the pipe safely and it’s not near standing water. Never use open flames or leave electrical devices unattended.

What’s the best insulation for pipes?

Foam sleeves work for most homes, but in severe climates, combine with fiberglass wrap or heat cables for added protection.

How often should I check my plumbing in winter?

Inspect at the start of the season and after any cold snap. Businesses should do weekly walk-throughs in vulnerable areas.

Regional & Seasonal Tips

No two winters are alike. In the Midwest or Northeast, deep freezes can last weeks. In the South or coastal regions, a sudden cold front is just as dangerous—pipes aren’t used to it and may be even more vulnerable.

  • Mountain properties: Watch for wind exposure in crawlspaces.
  • Urban high-rises: Pipes in outer walls or near rooflines are at risk.
  • Older buildings: Original pipes may lack modern insulation.

Monty’s Plumbing works coast-to-coast, from blustery cities to sunny suburbs. Our crews bring the right freeze-proofing techniques to every job, whether you’re running a busy restaurant or caring for a historic home.

Closing Thoughts

Winter’s cold snap doesn’t have to freeze your peace of mind. A little planning, the right insulation, and knowing when to call Monty’s Plumbing can keep your water flowing all season long. Our licensed, insured technicians arrive fast—ready to protect your home or business with proven solutions.

Call Monty's Plumbing now — or reach us anytime at  844-484-5484 .

Facing a plumbing problem? We're here to help—call now. 844-484-5484