Home » Blog » Complete Guide to Polybutylene Pipes & Replacement Polybutylene pipes once promised a revolution in residential plumbing. Builders installed millions of feet of this gray, flexible plastic piping across homes from the late 1970s through the mid-1990s. At the time, it offered an affordable, easy-to-install alternative to copper. Contractors valued its flexibility, … Continue reading Complete Guide to Polybutylene Pipes & Replacement