Repiping – Bethany, Beaverton OR
Repiping is a bigger decision than a single repair, and in Bethany it usually comes down to one question: what material is behind your walls? A whole cohort of Bethany homes went up in the early-to-mid 1990s, right at the tail end of the polybutylene era. If that's what you have, a repipe isn't an overreaction — it's getting ahead of a pipe that was recalled for failing. True Flow Plumbing repipes occupied Bethany homes in PEX, with a plan built around keeping you in your house.
The Polybutylene Question in Bethany
Polybutylene (PB) was the plastic supply pipe of choice for builders through the late 1980s and into the mid-1990s — exactly when Bethany's first subdivisions were being framed. It's usually gray (sometimes blue or black), flexible, and stamped "PB2110." It was discontinued after class-action litigation because it becomes brittle and fails, often at the fittings, with little warning.
When Copper Homes Get Repiped Too
Not every Bethany repipe is about polybutylene. Later homes built with copper can develop recurring pinhole leaks when high hillside water pressure erodes the pipe from the inside. If we've already patched two or three pinholes and the pressure history explains why, a repipe to PEX ends the cycle. We'll always test pressure and add a pressure-reducing valve so the new pipe doesn't face the same conditions.
Signs It's Time
- Confirmed polybutylene supply lines (early-1990s build)
- More than one pinhole leak in the last few years
- Water that's discolored or rusty on first draw
- Pressure that drops when two fixtures run at once
- Visible corrosion or green staining at exposed copper fittings
- You're remodeling and the walls are already open
How a Bethany Repipe Goes
- We map every supply run and confirm pipe material in the crawlspace and at fixtures.
- You get a fixed price and a day-by-day plan with your shut-off windows.
- New PEX is run from the crawlspace up interior walls, with small grouped access openings.
- Each fixture is tied in, pressure-tested, and inspected to code.
- We leave clean, ready-to-patch openings — or coordinate drywall and texture for you.
Frequently Asked Questions
Is PEX better than copper for a Bethany home?
For most Bethany homes, yes. PEX handles the area's water chemistry without the pinhole problem, tolerates pressure swings better, resists freezing in crawlspaces, and installs with far fewer wall openings. Copper is still an excellent pipe — we install it when a homeowner prefers it — but PEX solves the specific failure modes we see here.
Can we stay in the house during the repipe?
Yes. We sequence the work so you have water most nights, and the daytime shut-offs are scheduled around your routine. Most Bethany families stay home through the whole project.
Does a repipe help when we sell?
It removes a real objection. Polybutylene is a known red flag for buyers and inspectors in Washington County, and a documented PEX repipe turns that from a negotiation problem into a selling point.
Bethany & NW Beaverton Areas We Serve
All Repiping – Beaverton → | Leak Detection – Bethany → | Water Line Replacement →
Not Sure What's Behind Your Bethany Walls?
We'll identify your pipe material and tell you honestly whether a repipe makes sense — or whether a repair will do for now.