November 11, 2024

7 Critical Reasons Why Pipes Burst and When to Call the Experts

Understanding the answer to the question why pipes burst is essential for homeowners. Burst pipes can lead to thousands of dollars in damage, disrupt your daily routine, and cause long-term issues like mold and structural instability.

Whether it’s winter frost or worn-out pipes, knowing the triggers and signs of potential failures can help you take early action. Keep reading to know why pipes burst and when to call for professional plumbing services.

Key Takeaways:

  • Why do pipes burst? It often comes down to pressure, age, temperature, or external force.
  • Prevention includes proper insulation, routine plumbing inspections, and pressure regulation.
  • Professional help is crucial when a pipe bursts to avoid costly structural and water damage.
  • Acting quickly with emergency plumbing services minimizes damage and repair costs.
  • Bud Matthews Services offers full-spectrum plumbing solutions for homeowners.

Why Do Pipes Burst? Understanding the Basics

The phrase “why pipes burst” applies to a variety of conditions that can weaken your plumbing over time. A burst pipe typically results from an overwhelming force, whether internal, like excessive pressure, or external, like freezing temperatures or invasive roots.

Let’s break down the top causes behind pipe failures and what you can do about them.

1. Freezing Temperatures

One of the leading answers to why pipes burst is cold weather. When water inside your pipes freezes, it expands. That expansion puts pressure on the walls of the pipe until it cracks or bursts.

Prevention Tips:

  • Insulate pipes in unheated areas (attics, garages, crawl spaces)
  • Keep a trickle of water flowing on frigid nights
  • Seal cracks around windows and doors to prevent cold air infiltration

2. High Water Pressure

High water pressure might feel great in the shower, but it’s a serious problem for your pipes. If your home’s water pressure exceeds 60 psi, your plumbing system is under stress.

Signs of High Pressure:

  • Banging or noisy pipes
  • Water-using appliances are frequently breaking down
  • Spiking water bills

Why pipes burst in this case? Because the pipe walls eventually give in to the relentless strain.

3. Aging and Corroded Pipes

Over time, even durable pipe materials like copper and steel wear down. Rust, mineral buildup, and years of use degrade their strength.

Lifespan of Common Pipe Materials:

Pipe MaterialExpected LifespanVulnerability to Bursting
Copper50+ yearsModerate (corrosion)
PVC25-40 yearsLow (brittle with age)
Galvanized Steel20-50 yearsHigh (rust buildup)
Cast Iron50-100 yearsModerate (weight stress)

If you’re asking why pipes burst in older homes, this is likely your culprit.

4. Tree Root Infiltration

Roots from nearby trees naturally seek out moisture and can intrude into sewer lines or underground pipes. As the roots grow, they apply pressure and widen cracks in your plumbing.

Watch for these signs:

  • Slow drains
  • Frequent backups
  • Soggy patches in your yard

This is a stealthy yet serious cause when wondering why pipes burst.

5. Improper Installation

Pipes that were installed incorrectly—whether by a DIY job or a subpar contractor—can result in future failure. Poor sealing, misalignment, and incompatible materials all increase the risk of rupture.

Common Installation Mistakes:

  • No pipe supports or brackets
  • Incorrect pipe sizing
  • Incompatible joint materials

When homeowners ask why pipes burst, it’s not uncommon for poor workmanship to be the answer.

6. Clogs and Blockages

Blocked drains don’t just slow water down—they increase pressure behind the clog. Over time, this can lead to a pipe bursting.

Common clog materials:

  • Grease buildup
  • Hair and soap scum
  • Food debris and paper products

Knowing why pipes burst means understanding that it’s not always an external problem—sometimes, it starts inside your drain.

7. Ground Shifting and Structural Settling

Homes naturally settle over time, and with that movement comes pressure on your foundation and plumbing. Earthquakes, construction nearby, and even soil erosion can cause pipes to shift and eventually burst.

Warning Signs Your Pipe May Burst

Before a pipe bursts, there are often warning signals:

  1. Unusual noises from plumbing
  2. Visible pipe corrosion or rust
  3. Damp spots on walls or ceilings
  4. A sudden drop in water pressure
  5. Increased water bills

If you notice these, don’t wait to wonder why pipes burst; take immediate action.

What to Do When a Pipe Bursts

If a pipe has already burst in your home, here’s how to limit the damage:

Step-by-Step Response:

  1. Shut off your main water valve
  2. Drain faucets to relieve pressure
  3. Turn off the electricity if water is near outlets or appliances
  4. Call a professional plumbing service immediately

When to Call the Experts

Even if you’re not currently dealing with a burst pipe, knowing why pipes burst helps you understand when to contact a pro.

Call a plumber when:

  • Your water pressure is consistently high
  • Your home has older plumbing
  • You’ve had multiple pipe leaks in a short time
  • You hear banging or knocking sounds in the walls

Bud Matthews Services offers emergency plumbing solutions 24/7, with trained technicians ready to assess, repair, and protect your home.

FAQs About Burst Pipes

Why do pipes burst in winter?
Frozen water expands and increases internal pressure inside pipes, leading to rupture.

Can pipes burst in summer?
Yes. Tree roots, shifting soil, and high water pressure are common summer-related causes.

How can I tell if a pipe is about to burst?
Watch for corrosion, discoloration, water stains, and strange pipe noises.

Is insurance likely to cover burst pipes?
Most homeowner policies cover sudden water damage, but it’s best to check your specific coverage.

Should I try fixing a burst pipe myself?
For small leaks, temporary fixes may help, but a burst pipe always requires professional repair.

Don’t Let a Burst Pipe Catch You Off Guard

86657856 plumber cleaning pipe drain clog

Now that you understand why pipes burst, it’s clear that both prevention and rapid response are key. Frozen temperatures, excessive pressure, root invasions, and aging infrastructure all pose threats to your plumbing.

But you don’t have to face these issues alone.

At Bud Matthews Services, our skilled team is equipped to handle everything from emergency pipe bursts to proactive inspections and long-term plumbing upgrades. We’re your one-stop solution for peace of mind—available around the clock when emergencies strike.

Call us today to schedule an inspection or emergency repair and keep your home protected from unexpected plumbing disasters.

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