What is Lead in Paint?
Essentially, it is lead compounds added to paint. Regulations and standards are in place in many countries to limit lead levels in paint. However, it is not the case worldwide, as some countries still have lead in painting at hazardous levels.
Historical Use of Lead in Paint
Lead compounds help with the
- moisture resistance;
- and drying of paints.
Significantly, paint containing lead was the main type of paint used for house exteriors between 1960 and 1990.
Afterward, buildings constructed after 1990 in the U.S and Canada paint had to be lead-free, because of public health concerns.