In-Depth Guide to Poly B Replacement Services in Yaletown, Vancouver What Is Poly B Piping and Why Is It Problematic? Poly B Replacement Services in Yaletown, Vancouver: Poly B, or Polybutylene, was widely used in residential plumbing from 1978 to 1995 due to its affordability and ease of installation. However, this once-popular material has come … Continue reading Poly B Replacement Services: Expert Solutions in Yaletown