Burke Mountain in northeast Coquitlam is one of the Lower Mainland's most actively developing neighbourhoods — but it's not immune to Poly B. The mountain's earlier phases of development, primarily in the 1990s through early 2000s, caught the tail end of Poly B installation. Homes built in the 1993–2000 range on Burke Mountain need inspection; those built after 2002 are generally Poly B-free. The newer phases of Burke Mountain development (post-2008) are using modern plumbing materials exclusively.
Burke Mountain's Unique Poly B Profile
Burke Mountain's Poly B situation is different from the rest of Coquitlam's older neighbourhoods. The issue here is concentrated in the transition-era homes — those built in the final years of Poly B use (1993–2000) by builders who were still working through existing supply or who hadn't yet made the full switch to alternative materials.
These homes are often in better overall condition than the 1980s builds in Ranch Park or Austin Heights, but their Poly B has been degrading for 25–30 years in a high-elevation environment with greater temperature fluctuation than lower Coquitlam. Freezing temperatures on Burke Mountain during cold snaps can be several degrees lower than valley areas — a meaningful stressor for aging Poly B.
- Burke Mountain Poly B concentrated in 1993–2000 builds
- Higher elevation = greater freeze risk for aging Poly B
- Homes built post-2002: generally safe, inspection can confirm
- Early-phase Burke Mountain strata units: check build year
Neighbourhoods We Serve in Burke Mountain
Builder Note
Mosaic Homes and Morningstar Homes built the earliest Burke Mountain phases — homes from their 1995–2001 projects should be inspected.
Poly B Solutions Available in Burke Mountain
Coquitlam Poly B Replacement serves Burke Mountain homeowners with the same flat-rate, fully-documented poly B replacement we deliver across the Tri-Cities. Book a free inspection and we'll give you a clear picture of what's in your walls.