CPVC Repiping
CPVC repiping replaces old supply lines with chlorinated polyvinyl chloride pipe, a rigid plastic rated for both hot and cold water. It is one of the most economical repipe materials and resists corrosion and scale. FlowFast connects you with an independent local plumber who can determine whether CPVC is the right fit for your home.
- Connected with an independent local pro — never a call center queue.
- Part of our Whole-Home Repiping services — explained up front.
Parent service
Whole-Home RepipingFrequent leaks or rusty water? Signs your home needs repiping, copper vs. PEX, and how to get connected with an independent local plumber.
View all Repiping servicesCPVC is essentially PVC formulated to handle hot water, and it has been used in residential plumbing for decades with a solid track record. It does not corrode, it resists mineral scale buildup inside the pipe, and the material cost is lower than both copper and PEX. Joints are solvent-welded, creating a chemical bond that becomes one continuous piece of plastic when the welding is done correctly. Because the material itself is so affordable, it is often the go-to choice for budget-conscious repipes where conditions suit it.
CPVC has real limitations that must be respected for a successful, lasting installation. It becomes brittle in freezing temperatures and degrades in direct sunlight, so it belongs indoors and in protected spaces only. It also requires careful support and proper solvent-welding technique, since rushed joints are the main cause of CPVC failures. FlowFast connects you with an independent local plumber who will assess whether your home's conditions suit CPVC and install it with correct support spacing and full cure times.
Warning signs
Signs you need this service
- You need a full repipe on a tight budget and want the most economical material option available.
- Corrosion and scale have ruined metal pipes, and you want a material that simply does not corrode.
- The repipe runs are indoors and protected, where CPVC's limitations around sun and freezing do not apply.
- An older CPVC system is failing at joints and needs a proper reinstall rather than more patches.
What to expect
The process, step by step
The pro evaluates your home's layout and confirms CPVC suits the temperature and exposure conditions throughout the house.
Old pipes are disconnected as new CPVC is measured, cut, and dry-fitted run by run for accuracy.
Joints are primed and solvent-welded with proper cure time, and hangers are set at correct spacing.
The system is pressure-tested, fixtures are reconnected, and all lines are flushed clean before the system goes into service.
Prevention
How to avoid this problem
- Never expose CPVC to direct sunlight; keep all runs indoors or properly shielded from UV.
- Insulate CPVC in any space that could freeze, since the material turns brittle when cold.
- Support long runs correctly so the pipe never sags or stresses its solvent-welded joints.
Frequently asked questions
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Other whole-home repiping jobs homeowners ask about.
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