Building Materials

This is a condensed list of important dates when obsolete or potentially harmful material stopped being used by home builders:

Lead-based paint:  1978

Lead in solder (copper pipe):  1988

Lead Pipes:  1940

Galvanized steel water pipe:  1950 Approx

Polybutylene water pipe:  2000

Asbestos (in a variety of materials):  1985

Aluminum Wiring:  1965-1979

Ungrounded Wiring:  1965

Knob & Tube Wiring:  1955