Frozen Pipe Prevention in Winnipeg: Keep Your Pipes Safe at -40°C

Why Frozen Pipes Are So Common in Winnipeg

When temperatures plunge to -30°C to -40°C — which happens multiple times each winter — unprotected water pipes can freeze in just a few hours. The expansion of freezing water generates enormous pressure, often bursting pipes and causing thousands of dollars in water damage.

Most Vulnerable Areas in Your Home

Pipes most at risk include those in unheated spaces like garages, crawl spaces, and exterior walls. In older homes in the North End, West End, and Elmwood, poor insulation makes pipes especially vulnerable. Even newer homes in Waverly West can have issues if garage plumbing isn't properly insulated.

Prevention Strategies That Work

• Insulate pipes: Use foam pipe insulation on all exposed pipes in unheated areas. Cost: $2-$5 per linear foot.
• Heat tracing cable: Electric heat tape keeps pipes above freezing. Essential for pipes in exterior walls. Cost: $50-$200 per run.
• Keep the heat on: Never let your thermostat drop below 15°C, even when away.
• Open cabinet doors: Allow warm air to reach pipes under sinks on exterior walls.
• Drip faucets: During extreme cold snaps, a slight drip prevents freezing by keeping water moving.

What to Do If Your Pipes Freeze

If you turn on a faucet and only a trickle comes out, you likely have a frozen pipe. Never use an open flame to thaw pipes. Instead, use a hair dryer, heating pad, or wrap pipes in hot towels. If you can't locate the freeze or if a pipe has burst, shut off your main water valve immediately and call a licensed Winnipeg plumber.

Insurance Considerations

Most Manitoba home insurance policies cover sudden pipe bursts, but not if the freeze was caused by negligence (like leaving your home unheated). If you're leaving Winnipeg for an extended period in winter, have someone check your home regularly or consider draining your water system.