Home Inspector Joseph Tribuzio 450.003128 Serving the greater Chicago area of Illinois
Plumbing Materials and the dates of major usage:
Brass 1900-1930 Yellow brass typically lasts for 20-40 yrs, Red brass typically lasts for 50-60 yrs.
Lead 1930-1940 Used between the street main and the house up until the mid point of the century. If not used for a long time, water should be run for several minutes before usage.
Copper 1950-1960 As far as we know, copper may last indefinitely. Typically 1/2 to 3/4 diameter.
Polyethylene 1970-present Polyethylene cannot be solvent welded.
Polyvinyl CPVC 1970-present May split if freezing occurs.
Polybutylene PB 1975-present Polybutylene may become brittle through scaling and flaking. Was removed from UPC in 1989