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Split lines, frozen pipes, failed fittings

Burst Pipe Repair in Denton, TX

A split copper line hissing inside a wall. A PEX fitting that let go in the attic. A frozen elbow that cracked when the thaw came. Emergency burst pipe repair in Denton, TX runs 24/7: you close the main, and the plumber finds every break, replaces the damaged sections and pressure-tests the line before it goes back in service.

Burst pipe repair after a hard freeze in Denton, TX

Why pipes burst in Denton

Burst pipe repair is the emergency repair of a supply line that has split, cracked or separated at a fitting, releasing water at full pressure. North Texas does not freeze often, which is exactly why so many homes are caught off guard when it does.

The February 2021 winter storm showed the pattern across the state. Pipes in exterior walls, attics and unheated garages froze, and when they thawed, split lines let loose. Houses built for mild winters often have supply lines in the attic, where they are most exposed.

Freezes are not the only cause. Water pressure that runs too high because of a failed pressure reducing valve can burst a weak fitting. Ground movement in Denton clay can crack a line at the slab. Old galvanized pipe can simply rust through.

What to do in the first five minutes

Every minute of running water adds to the damage. Do these in order.

  • Close the main shutoff. On many Denton slab homes it is in the garage or where the line enters the house. The meter box near the street also has a valve, but it may need a meter key.
  • If water is near outlets, a panel or appliances, switch off power to that area at the breaker, or stay away if you cannot reach the panel safely.
  • Open a low outdoor faucet to drain the pressure left in the lines.
  • Turn off the water heater's power or set gas to pilot if hot lines are involved.
  • Photograph the damage and the broken pipe for your insurer, then move belongings out of the water.

If you cannot find or close the main, say so when you call. The dispatcher will help you look for it.

How the repair is made

The plumber first confirms the main is holding and finds every break, since a freeze often splits a line in more than one place. Moisture meters and thermal imaging help trace water that ran inside walls.

The damaged section is cut out and replaced with new pipe. PEX, copper or CPVC is used to match or improve on what was there. As the 2021 International Plumbing Code (IPC) enforced in Denton expects, the repaired line is pressure-tested before walls close, then the water comes back on slowly while every fitting is checked.

If the break is under the slab, the job becomes a slab leak repair. Our slab leak repair page explains the spot repair and reroute options. If breaks keep happening in old pipe, whole-home repiping ends the cycle.

Where pipes burst and how to protect them

Most burst pipes in North Texas homes happen in a few predictable places.

During a hard freeze, a slow drip at a faucet on an exterior wall keeps water moving.
LocationWhy it failsPrevention
Attic supply lines.Exposed to cold air in a freeze.Insulate lines and keep the attic hatch closed.
Exterior walls.Little insulation between pipe and outside air.Open cabinet doors under sinks during a freeze.
Hose bibs.Water trapped in the valve body.Disconnect hoses and add insulated covers.
Garage lines.Unheated space.Insulate lines, keep the garage door closed.
Any line with high pressure.A failed pressure reducing valve.Test pressure at a hose bib. Aim for normal household range.

What burst pipe repair costs depend on

The break itself is usually a small repair. The rest varies.

  • Number and location of breaks. One split under a sink is simpler than three in an attic.
  • Access. Drywall or ceiling openings add time.
  • Pipe material being repaired or upgraded.
  • Time of the call. Emergency night and holiday calls cost more.

Homeowner insurance often covers sudden water damage from a burst pipe, though usually not the pipe itself. Photos and the time of discovery help your claim. Drying and cleanup after a leak is a separate service with its own phone line.

Call for emergency repair: (940) 229-7314

Burst pipe questions

If hot lines are affected or the main is off for a while, yes. Switch off power to an electric unit or set a gas unit to pilot, so it does not heat an empty or low tank.

No. Some thaw without damage. Check for leaks once water flows again, and look at attic and wall lines closely for the next few days.

Burst pipes get priority dispatch 24/7. Arrival depends on the hour and how many emergencies are open, and the dispatcher gives you a realistic window on the call.

Yes, including homes in Argyle and the rest of the service area.

Reviewed by the Denton Apex Plumbing team. Last updated September 25, 2026.

Denton Apex Plumbing coverage map

Coverage map for Denton and the nearby Denton County towns we serve.

Pipe burst? Close the main and call.

24/7 emergency burst pipe repair across Denton, TX.

Call (940) 229-7314
24/7: Call (940) 229-7314