What is Poly B Plumbing?
If you’re selling an older home in Calgary, Edmonton, or Vancouver, there’s a good chance your property may contain polybutylene plumbing—commonly known as Poly B. This gray plastic piping was widely used in homes built between the mid-1980s and late 1990s. While it was affordable and easy to install at the time, Poly B has since gained a reputation for premature failure and insurance complications, making it a red flag for many real estate transactions today.
If you are a Calgary homeowner dealing with Poly B pipes, you are not alone — thousands of homes in the city were built with this outdated plumbing. Urban Piping specializes in Poly B Replacement Calgary and has helped over 3,000 homeowners make the switch. Ready to get started? Call (403) 988-3801 for your free estimate.
History and Common Use in Calgary Homes
Poly B plumbing was installed in over 300,000 Canadian homes—including thousands in Calgary—between 1985 and 1997. Its low cost and flexibility made it a popular choice among builders. Unfortunately, long-term performance issues began surfacing by the early 2000s, prompting a shift to more durable materials like PEX (cross-linked polyethylene). Homeowners began to notice leaks, cracks, and other problems, leading to concerns about the longevity of the material. As a result, many sought reliable Calgary Poly B replacement options to upgrade their plumbing systems. These alternatives not only promise improved durability but also offer better resistance to temperature fluctuations and chemical exposure.
Polybutylene pipes were commonly installed in Calgary homes between 1985–1997. If your home falls within this age range, it’s crucial to confirm what kind of piping system is in place before listing.
Why Poly B is a Concern for Buyers and Sellers
One of the main challenges of selling a home with Poly B is buyer hesitation. Home inspectors in Calgary are trained to spot Poly B, often resulting in delayed or failed sales if issues arise. Furthermore, insurers may reject, limit, or surcharge policies on homes with this plumbing type. To mitigate these concerns, homeowners can seek Calgary condo Poly B solutions, which may include repiping or installing alternative plumbing materials. By addressing the issues associated with Poly B proactively, sellers can enhance buyer confidence and potentially facilitate smoother transactions. Additionally, educating potential buyers about the benefits of the proposed solutions can further alleviate their concerns.
Want to see how we have helped Calgary homeowners just like you? Browse our Calgary Poly B case studies and resources to see real projects, real results, and why thousands trust Urban Piping for their Poly B replacement.
“Many buyers today are wary of Poly B, often asking about it during showings,” says Calgary REALTOR® Jane McCarthy.
From reduced market interest to lower offer prices, Poly B plumbing can significantly affect your Calgary real estate sale outcome. Understanding its impact lets you strategize early.
Next, let’s examine the major risks Poly B presents—and how it can legally affect your home sale.
Risks and Problems Associated with Poly B

Concerned about how Poly B could sabotage your Calgary home sale? You should be. From insurance denial to hidden water damage and legal liabilities, the risks of not addressing this piping system before listing can snowball into major costs post-sale. Here’s what every homeowner needs to know before putting a Poly B-equipped home on the market. Potential buyers may be wary of a home with Poly B plumbing, leading to lower offers or prolonged time on the market. To mitigate these concerns, homeowners should consider the Poly B replacement timeline in Calgary, which can vary based on the size of the home and the extent of the plumbing system. Investing in replacement before listing not only enhances marketability but can also provide peace of mind for both sellers and buyers. Additionally, examining the Mckenzie Lake Poly B plumbing case study can offer valuable insights into the implications of this issue. Homeowners in similar situations have found that proactively addressing Poly B concerns not only facilitated smoother transactions but also resulted in higher sale prices. By taking these precautionary steps, sellers can significantly improve their chances of a successful home sale.
Insurance Issues
Insurance complications are one of the biggest drawbacks of selling a home with Poly B pipes. Many providers in Alberta either:
- Refuse to insure properties with Poly B plumbing
- Impose costly restrictions or higher premiums
- Require a complete repipe for full coverage
Some insurance providers in Alberta deny or limit coverage for homes with Poly B plumbing. This can jeopardize a buyer’s financing and put your sale in jeopardy. Full disclosure is not just ethical—it’s essential to protect the transaction. It’s crucial for both buyers and sellers to navigate this issue carefully to ensure a smooth real estate transaction. Understanding Poly B insurance in Calgary can help buyers make informed decisions and potentially seek alternative coverage options. By addressing these concerns upfront, parties can mitigate any financial risks associated with the property’s plumbing system.
Potential for Leaks and Water Damage
Over time, Poly B plumbing is prone to cracking, joint failure, and chemical degradation—especially in areas with high water pressure or chlorine content. In Calgary and surrounding neighborhoods, winter temperature fluctuations can accelerate pipe failure, leading to hidden leaks behind walls or ceilings.
Water damage repair costs, mold remediation, and plumbing reroutes often fall into the thousands, especially if undetected until after possession. Home inspectors typically flag Poly B immediately, pushing buyers to renegotiate or walk away entirely.
Legal and Disclosure Obligations in Alberta
Under Alberta law, you are obligated to disclose any material latent defects—including known Poly B plumbing issues—through the Property Disclosure Statement (PDS). Failing to do so could have serious legal consequences.
Case: A Calgary homeowner was fined after a buyer sued for failure to disclose leaking Poly B pipes.
Even unintentional omissions can become grounds for civil litigation and remediation costs. Transparency with buyers—and potential proactive replacement—can help mitigate these risks and smooth the sale process.
Next, we’ll weigh whether replacing Poly B before listing your home is a smart investment—or an unnecessary expense.
Should You Replace Poly B Before Selling?

Trying to decide whether to replace Poly B piping before listing your home in Calgary, Edmonton, or Vancouver? It’s a decision that balances cost, perception, and risk tolerance. For some homeowners, preemptive replacement puts them in the strongest negotiating position. For others, seller-side disclosure with price adjustments might make more sense. Let’s break down your options.
Cost of Poly B Replacement in Calgary
Urban Piping clients typically spend between $8,500–$12,000 for a complete Poly B replacement in Calgary. This range includes drywall patching and access restoration, ensuring your home is show-ready post-repipe.
Factors that affect replacement cost:
- Square footage and number of bathrooms
- Accessibility of walls and crawlspaces
- Material upgrades (e.g., PEX vs copper)
While full-system replacements are an upfront investment, they can ultimately make your home more appealing and avoid closing delays.
Pros and Cons of Repiping Before Listing
Pros:
- Increased buyer trust and marketability
- Better insurance outcomes for the buyer
- Higher appraisals and fewer concessions
Cons:
- High upfront cost
- Project timeline may delay listing
- Not all buyers may require it—depending on market conditions
Full-system replacements offer more peace of mind during buyer negotiations, particularly in competitive Calgary real estate markets.
Comparison of Full vs. Partial Replacement
Some homeowners consider partial replacement—often swapping visible or accessible plumbing only—but this approach is rarely recommended. Partial repiping can:
- Fail to satisfy insurers or buyers
- Introduce multiple pipe types, which could cause compatibility issues
- Still leave aging Poly B vulnerable to failure
If your goal is to maximize home value and minimize post-sale surprises, full replacement remains the most reliable option.
In the next section of our guide, we’ll explore how Poly B replacement can impact your selling strategy—and how Urban Piping can help ensure top results.
Selling a Calgary Home with Poly B—What Are Your Options?

Selling a house with Poly B plumbing in Calgary requires thoughtful strategy to safeguard home value and attract buyers—even if you choose not to replace the pipes. Whether you’re selling as-is, offering credits, or retrofitting before listing, understanding your options positions you for a smoother sale and fewer legal or financial surprises.
Sell As-Is vs. Replace Before Listing
Homeowners have two primary avenues when listing a home with Poly B: sell as-is with full disclosure, or upgrade plumbing to PEX before listing. Selling as-is may significantly extend time on market and lower buyer confidence. In fact, homes with Poly B tend to stay on the Calgary market 12–18% longer on average, according to local MLS data. Homeowners should also educate themselves on how to identify Poly B piping, as its presence can impact both buyer interest and perceived value. This knowledge empowers sellers to make informed decisions regarding necessary renovations or disclosures. Additionally, understanding the implications of Poly B can facilitate a smoother transaction process, helping to mitigate potential buyer concerns.
On the other hand, investing in Poly B replacement prior to listing builds trust and may attract multiple offers or avoid lowball negotiations. Buyers are growing increasingly savvy and often walk away from older materials once flagged in a home inspection.
Pricing Strategy if Keeping Poly B
If full repiping isn’t feasible, sellers must include Poly B presence into their pricing model. Calgary real estate advisors recommend a price reduction of $10,000–$20,000—or offering a credit for future repiping—to offset buyer hesitation. This transparent approach reduces surprises during home inspections and supports faster closings.
Strategy Tip: Offer credit for future Poly B replacement during negotiation. It reduces friction and adds peace of mind for potential buyers.
Attracting Buyers Despite the Plumbing
Marketing a home with Poly B successfully means reframing the property’s strengths. Highlight recent renovations, updated kitchens, premium locations, or large lot sizes in your listing. Transparency plays a role here too—some buyers appreciate sellers who disclose upfront and offer flexible terms.
Professional photography, home staging, and clear disclosure paired with a repair estimate from a licensed Calgary plumber like Urban Piping help buyers understand the scope—and cost—of resolving the issue themselves.
Thinking of listing? Call now for a free estimate on Poly B replacement options to help guide your decision.
How to Disclose Poly B Plumbing Legally

In Alberta, you are legally obligated to disclose known issues like Poly B piping on a Property Disclosure Statement (PDS). Failure to reveal this material defect can result in legal consequences, failed closings, or even lawsuits after the sale.
What to Include in the Property Disclosure Statement
A complete and honest PDS should clearly state the presence of Poly B, previous leaks or repairs, and whether any portions of the plumbing have been upgraded. Sellers should avoid blanket generalizations like “no known issues” if Poly B exists anywhere in the home.
Buyers in Calgary expect full transparency—especially when properties fall under earlier building codes (1980s to late 1990s). Providing inspection reports or professional plumbing evaluations adds legitimacy and discourages post-sale disputes.
Examples of Legal Complications
Omitting Poly B in your disclosure can be costly. Consider this real case: a homeowner in Calgary paid $15,000 in compensation after a buyer discovered undisclosed Poly B during post-sale renovations. Even though the home passed inspection, the court ruled that the disclosure was insufficient under Alberta’s Real Estate Act.
Alberta law requires full material disclosure of known issues like Poly B.
Avoid risk—schedule a plumbing assessment today to support accurate disclosure and strengthen your home sale documentation.
How Poly B Affects Home Valuation and Offer Negotiations

Wondering how Poly B plumbing impacts your Calgary home’s appraised value or offer amounts? You’re not alone. Whether you’re listing in Edmonton, Vancouver, or Calgary, Poly B affects everything from sale timelines and deal negotiations to final closing price.
Buyer Expectations and Real Estate Agent Advice
Experienced Calgary agents now proactively flag Poly B before listing consultations. They frequently recommend getting quotes for replacement, prepping replacement credits, or adjusting the asking price to reflect the plumbing risk. Buyers expect some form of concession—either an adjusted price or assurances the problem will be remedied.
As one Calgary realtor shared,
“Having Poly B pipes can reduce offers by $10K–$25K. That risk often outweighs the perceived replacement cost.”
Negotiating Repairs vs. Closing Price Reductions
If the buyer flags Poly B during inspection, two common scenarios arise:
- Repair credit at closing – Seller offers $10K–$15K credit so buyer assumes upgrade post-possession.
- Price reduction – Seller adjusts the total offer amount based on a plumbing estimate.
Sellers who delay disclosure may end up in a weaker position, forced to concede more under time pressure. Building trust early gives you greater leverage.
Planning to negotiate? Contact Urban Piping for accurate Poly B quotes that back your position during real estate transactions.
Poly B Replacement Resources in Calgary

Looking for trusted Poly B replacement contractors in Calgary? Urban Piping’s in-house team provides end-to-end services designed specifically for homeowners preparing for resale. From repiping to drywall patching, we deliver fast, professional results that boost buyer confidence.
Recommended Plumbers and Retrofitting Options
Not all plumbing contractors understand the nuances of Poly B retrofit in older homes. Urban Piping specializes in removing Poly B efficiently while minimizing damage to surrounding walls, floors, and finishes. Our crew handles:
- Complete Poly B removal
- PEX replacements with updated valves and fittings
- Drywall, texture, and painting restoration
Urban Piping operates in Calgary, Edmonton, Vancouver and surrounding areas—ensuring consistent quality and faster completions.
Estimated Timelines and Disruption
On average, complete Poly B replacement takes 3–5 business days in a standard single-family home. We protect furniture and floors, use dust-mitigating tools, and restore walls post-installation. Many clients are surprised by how little disruption they experience during this critical upgrade.
Urban Piping offers full Poly B removal, drywall repair and PEX upgrades—all in-house.
Ready to elevate your home’s marketability? Get a quote—free estimates, fast turnaround, and 5-star quality guaranteed by Urban Piping.

