Pipe damage is one of the most frustrating (and expensive) problems a homeowner can face. Whether it’s a slow leak behind the wall or a sudden pipe burst, the damage can quickly spiral into structural repairs, mold remediation, and sky-high water bills.
In this article, we’ll break down five of the most common causes of pipe failure—plus practical ways to avoid them. We’ll also share when it might be time to consider whole-home repiping as a long-term solution.
1. Corrosion
Corrosion occurs when your pipes react to their environment—often due to age, the type of metal used, water chemistry, or the presence of dissimilar metals. Over time, this can erode the pipe walls and lead to small pinhole leaks or complete failure.
What to do: If your home has galvanized steel or aging copper pipes, schedule an inspection to ensure the pipes are in good condition. Switching to corrosion-resistant materials, such as PEX or properly treated copper, can extend the life of your system.
👉 Related: Why do pipes burst?
2. High Water Velocity
When water rushes too quickly through pipes—especially in tight bends or undersized piping—it causes friction. That friction wears away the inside of your pipes and can trigger “water hammer” pressure spikes that damage joints.
What to do: Ask a plumber to check your water pressure and flow rate. Adding pressure-reducing valves or expansion tanks can help stabilize your system.
👉 If water pressure problems persist despite fixes, repiping may be necessary.
3. Clogs & Blockages
Over time, grease, food waste, soap scum, or even tree roots can build up inside pipes—especially older ones. That buildup causes pressure on weak pipe sections and often leads to cracks or leaks.
What to do: Be mindful of what goes down the drain. Schedule annual drain cleaning and install strainers where possible. Tree root issues often signal it’s time for a more permanent fix.
4. Ground Movement
Soil shifts, settling foundations, and even minor seismic activity can stress buried pipes. If the pipe isn’t properly supported or made of flexible material, it can crack or disconnect at joints.
What to do: Newer materials, such as PEX, and properly installed support brackets can help reduce breakage. If your home is older and has had foundation work, it’s a good idea to inspect for hidden pipe movement.
5. Extreme Temperatures
Freezing temps can cause water inside pipes to expand, leading to bursts. In Arizona, extreme heat and UV exposure on outdoor piping can also cause damage.
What to do: Insulate exposed piping. In crawlspaces or older homes with attic plumbing, consider relocating or shielding pipes to protect them from temperature fluctuations.
How to Prevent Pipe Failure
Here are some easy wins to protect your plumbing system:
- Use corrosion-resistant materials
- Keep water pressure in the 40–60 psi range
- Add insulation in cold-prone areas
- Install strainers and avoid grease down drains
- Replace aging pipe systems before they fail
👉 If your home is 30 years old or older, or you’ve experienced multiple leaks, whole-home repiping may be the best long-term solution.
The Bottom Line
Pipe failure can be costly—but it’s often preventable. Regular maintenance, mindful usage, and prompt repairs go a long way. And if your system is nearing the end of its life, repiping may give you the peace of mind (and water pressure) you’ve been missing.
Need help inspecting or upgrading your plumbing in Mesa or the East Valley? Call P&L Plumbing today for a free estimate.