The work takes three to five days for most single-story homes and a week for two-story houses. You keep partial water service during the job. When it's done, you have decades of leak-free water delivery and no more concrete cuts.
Why Dallas Homes Need Whole-House Repiping
Homes built in Dallas before the mid-1980s often carry galvanized-steel supply lines or thin-wall copper under the slab. Galvanized pipe rusts from the inside out; copper develops pinhole leaks when soil chemistry and pressure cycling combine. Once the first slab leak opens, others follow within months because the entire run is the same age and saw the same stress.
Jackhammering one spot, patching, and waiting for the next failure wastes thousands of dollars and leaves your foundation a patchwork of epoxy and fresh concrete. Rerouting all water supply through the attic or up interior walls eliminates the slab as a pressure zone. Future leaks drip into a pan or show on a ceiling where you can catch them early, not into fill dirt where they silently undermine post-tension cables and floor joists.
Professionals also repipe when water pressure is weak throughout the house—galvanized scale has choked the bore to pencil width—or when buyers and insurers flag old pipe as a pre-close condition.
What Happens During a Whole-House Repipe
The plumber maps every fixture—sinks, toilets, tubs, water heater, washing machine, outdoor hose bibs—and designs a trunk-and-branch manifold in the attic or crawl space. Most Dallas repipes use cross-linked polyethylene (PEX) because it flexes, resists freeze damage during hard-winter events, and requires fewer fittings than rigid copper. Copper is still common for exposed runs and when homeowners prefer metal.
Crew members fish new hot and cold lines down through walls to each fixture, cap the old slab lines at the water heater and main shutoff, then pressure-test the new system before closing drywall. Small access holes are cut near each fixture; a drywall contractor patches and textures them after final connections. The water heater, main valve, and outdoor spigots are re-connected to the new trunk lines.
You will have no water for a few hours each day while connections are made, but the team usually restores service each evening. Total downtime is measured in hours, not days.
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Repipe Versus Slab Repair: When Rerouting Makes Sense
Repairing one slab leak—locate, jackhammer, splice, backfill, pour—costs about as much as three hundred feet of new PEX and labor to run it overhead. If your home is thirty years old and you've already fixed two leaks, the third break tips the math toward a complete repipe.
A repipe also makes sense when you're remodeling kitchens or baths and walls are already open, when you're adding fixtures that the old pipe can't supply, or when low pressure from corroded galvanized pipe has become a daily frustration. Homes with post-tension slab foundations gain extra value: no more saw cuts that risk cutting a tensioned cable.
Repair is still the right call for a single leak in a young home with PEX or newer copper, or when the break is near an outside wall where access is simple and the rest of the system tests clean.
Connect With a Dallas Repipe Specialist
This site is a free referral service that matches Dallas-area homeowners with independent local plumbers who handle whole-house repipes in ZIP codes 75201 through 75212. The specialist will walk the attic and crawl space, count fixtures, confirm pipe type and size, then write a fixed-price proposal that covers labor, materials, permits, pressure testing, and drywall patch.
Most pros pull a city permit; the inspector checks trunk routing, fixture drops, and pressure before you close walls. Financing is common for repipe projects. Call the number at the top of this page to describe your situation—how many leaks you've had, the age and type of existing pipe, and whether you're planning other work. You'll be connected with a local provider who can visit within a day or two and give you a written quote with no obligation to proceed.
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