Poly-B Replacement in Calgary
Poly-B—short for polybutylene—is a grey plastic water supply piping that was commonly installed in Calgary homes from the late 1970s through the mid-1990s.
Poly-B—short for polybutylene—is a grey plastic water supply piping that was commonly installed in Calgary homes from the late 1970s through the mid-1990s. At the time, it seemed like a good alternative to copper. Today, it's known for aging poorly and failing without much warning.
Flow Forge Mechanical specializes in Poly-B replacement throughout Calgary. If your home still has polybutylene plumbing, we can help you replace it with modern, reliable materials—before a failure causes damage.
When This Service Makes Sense
- Your home has visible grey plastic water lines
- Your home was built between the late 1970s and mid-1990s
- You've already experienced leaks from Poly-B piping
- You're renovating and want to replace aging plumbing while walls are open
- Your insurance company is asking about Poly-B or adjusting coverage
- You want to replace the system before a failure causes damage
- You're preparing to sell and want to address the issue proactively
Why This Service Matters
Poly-B doesn't age gracefully. The plastic becomes brittle over time, especially where it's been exposed to chlorine in municipal water, UV light, or heat. Failures often happen at fittings—sometimes slowly, sometimes all at once. A small leak behind a wall can cause mold and drywall damage before you even notice it. A fitting that lets go completely can flood a room in minutes.
Many insurance companies know the risks. Some restrict coverage, increase premiums, or require replacement. If you're selling your home, Poly-B often comes up during the inspection and can affect the deal.
Replacing Poly-B isn't just about avoiding a leak—it's about protecting your home, satisfying insurance requirements, and having peace of mind that your plumbing is reliable.
What We Do
Inspect the visible Poly-B system and discuss your home's layout
Plan full or partial replacement depending on the situation
Replace grey Poly-B lines with modern PEX or PERT piping
Complete clean, organized work with as little disruption as practical
Pressure test the new system
Provide documentation for insurance if required
Why Modern Replacement Materials Are Better
Modern replacement materials like PEX and PERT are flexible, durable, and designed to handle the conditions that Poly-B couldn't. They're resistant to chlorine, they expand slightly to resist freezing, and they've been proven in real-world installations for decades. Replacing Poly-B with modern piping gives you a system that will last.
Why Choose Flow Forge Mechanical?
Poly-B replacement requires careful planning—especially in finished homes where you want to minimize drywall openings and disruption. We approach each project thoughtfully, mapping out the best route and completing the work as cleanly as possible.
Flow Forge Mechanical is a local Calgary company with extensive Poly-B replacement experience. We back supplied materials with a 1-year parts and labour warranty and stand behind our work completely.
Local Calgary Company
We know Calgary homes
Reliable Service
We show up on time
Licensed & Insured
Full coverage protection
Quality Work
Done right the first time
Ready to Get Started?
Contact Flow Forge Mechanical today. We're here to help.
Need help deciding what you need? Call 587-355-FLOW (3569) and we'll point you in the right direction.
Request a Poly-B Replacement Quote
Fast response, fair pricing, quality work. Contact Flow Forge Mechanical now.
Need help deciding what you need? Call 587-355-FLOW (3569) and we'll point you in the right direction.