When it comes to your home's plumbing system, proactive maintenance can save you from costly repairs and potential disasters. One of the most pressing issues Coquitlam homeowners face is the presence of Poly B (polybutylene) pipes. Commonly installed in homes built between the late 1970s and mid-1990s, these pipes have a well-documented history of failure. At Hippo Plumbing, we want to help you understand the risks — and why acting before failure is far better than reacting after.
What Is Poly B Piping?
Polybutylene (Poly B) is a grey flexible plastic pipe that was widely used in BC residential construction from roughly 1978 to 1995. It was popular due to its low cost and ease of installation. However, it has since become evident that Poly B reacts poorly to chlorine and other oxidants in municipal water supplies. Over time, the pipe degrades from the inside out, becoming brittle and prone to cracking or splitting — often with no visible warning before a leak occurs.
Warning Signs That Your Poly B Is Failing
While Poly B can fail without warning, there are signs that suggest your system is under stress:
- Water staining on ceilings or walls (indicating a slow leak inside the structure)
- Unexplained increases in your water bill
- Reduced water pressure at fixtures
- Visible discolouration or flaking at the grey pipe fittings
- Fittings or joints that feel brittle or show white or yellowish deposits
Why Proactive Replacement Makes Financial Sense
The cost of a whole-home Poly B re-pipe is significant — typically $6,000–$16,000 for a Coquitlam detached home depending on size and complexity. But consider the alternative: a single Poly B failure inside a wall or ceiling can cause $20,000–$80,000 in water damage restoration costs, temporary displacement from your home, mould remediation, and months of disruption. Insurance companies in BC have taken notice — many now charge surcharges or decline to insure homes with known Poly B, and some require replacement as a condition of renewal.
Benefits of Replacing Poly B Now
- Eliminates the risk of catastrophic in-wall or ceiling water damage
- May reduce home insurance premiums or restore full insurability
- Increases your home's market value and simplifies the sale process
- Provides a warranty on new piping materials (PEX-A or copper)
- Improves water quality and pressure consistency
At Hippo Plumbing, we specialize in Poly B pipe replacement throughout Coquitlam and the Tri-Cities area. Our TSBC-licensed plumbers use the latest techniques and high-quality materials — primarily PEX-A or copper — to replace your outdated Poly B system efficiently and cleanly. Don't wait for a disaster to strike. Call us at (604) 365-0812 to schedule a free assessment.