Water

    Burst Pipe Water Damage: Prevention and Response Guide

    Burst pipes are one of the leading causes of water damage claims in the United States, with the Insurance Information Institute reporting that water damage and freezing account for nearly one in five homeowner insurance claims. Whether caused by freezing temperatures, aging plumbing, or high water pressure, a burst pipe can release hundreds of gallons of water per hour - making fast response essential.

    Common Causes of Burst Pipes

    Freezing Temperatures

    When water freezes inside a pipe, it expands by approximately 9%, creating enormous pressure. Pipes in uninsulated exterior walls, crawl spaces, attics, and garages are most vulnerable. The American Red Cross recommends keeping the thermostat at 55°F or higher when away during cold months.

    Aging and Corroded Pipes

    Galvanized steel pipes common in homes built before 1970 corrode from the inside out. Pinhole leaks may go undetected for months before a section fails completely. Polybutylene pipes (installed 1978-1995) are also prone to failure.

    High Water Pressure

    Residential water pressure should be between 40-80 PSI. Sustained pressure above 80 PSI stresses pipe joints and connections. A $10 pressure gauge at any hardware store can identify this risk.

    Tree Root Intrusion

    Tree roots naturally seek water sources and can penetrate underground supply lines and sewer pipes. Annual camera inspections of sewer lines near mature trees can identify intrusion before a catastrophic failure.

    Prevention Strategies

    Winterization

    • Insulate exposed pipes in crawl spaces, attics, and exterior walls with pipe sleeves or heat tape
    • Disconnect and drain outdoor hoses before freezing weather
    • Open cabinet doors under sinks on exterior walls during extreme cold to allow warm air circulation
    • Let faucets drip slightly during hard freezes to relieve pressure

    Proactive Maintenance

    • Have a licensed plumber inspect the plumbing system every 2-3 years
    • Replace supply line hoses on washing machines, dishwashers, and refrigerators every 5 years
    • Install a whole-house water leak detection system that can automatically shut off the main valve
    • Know where your main water shutoff valve is - and make sure it works

    Emergency Response: What to Do When a Pipe Bursts

    Follow these steps immediately:

    1. Shut off the main water valve - this is the single most important action. Every minute of delay means more water damage.
    2. Turn off electricity to affected areas at the breaker panel if water is near electrical outlets or the panel is accessible safely.
    3. Document the damage - take photos and video of the burst pipe, standing water, and all affected areas before any cleanup. This is critical for your insurance documentation.
    4. Call a professional restoration company - don't attempt DIY cleanup for anything beyond a minor drip. Professional water damage restoration uses commercial-grade equipment that removes water and moisture far faster than consumer tools.
    5. File your insurance claim - contact your insurance agent or carrier immediately. Learn about the full claim process.

    What Professional Restoration Looks Like

    An IICRC-certified restoration team will extract all standing water, perform moisture mapping to find water behind walls and under floors, set up industrial drying equipment, and monitor daily until the structure reaches target moisture levels.

    For burst supply lines (Category 1 clean water), the restoration process is relatively straightforward. If the water sat for more than 48 hours or involves contamination, protocols escalate to address mold prevention and sanitation.

    Insurance Coverage for Burst Pipes

    Standard homeowners insurance typically covers sudden and accidental water damage from burst pipes. Key considerations:

    • Covered: Damage from the water release - flooring, drywall, contents, restoration costs
    • Usually not covered: The pipe repair itself (plumbing is maintenance, not a covered peril)
    • Exclusions: Gradual leaks that occur over time, damage from deferred maintenance, and flood damage from external sources
    • Duty to mitigate: Your policy requires you to take reasonable steps to prevent further damage - including calling a restoration company promptly

    Learn more about what homeowners insurance covers for water, fire, and mold damage.

    For Insurance Agents and Property Managers

    Burst pipe claims are time-sensitive. The difference between a $5,000 claim and a $50,000 claim is often just 24 hours. Having a trusted restoration partner on speed dial means your client gets immediate response, proper mitigation documentation, and direct insurance billing.

    Need to connect a client with emergency restoration? Submit a referral and we'll have an IICRC-certified team on-site within 60 minutes.