Which type of paint is more likely to be found in homes built before 1978?

Lead-based paint is more likely to be found in homes built before 1978 because this is when the U.S. federal government banned the use of lead-based paint in residential properties. Prior to this ban, lead-based paint was commonly used due to its durability and ability to resist moisture, which made it popular for both indoor and outdoor applications. The danger of lead poisoning, especially in children, emerged as a significant public health issue, leading to the regulation and eventual prohibition of lead in paint.

In contrast, water-based, acrylic, and latex paints became increasingly popular after the ban because they are safer alternatives that do not pose the health risks associated with lead. Therefore, if a home was constructed prior to 1978, it is much more likely to contain lead-based paint compared to these other types, which gained prevalence in the years following the regulatory changes. This knowledge is essential for lead abatement practices and understanding the potential risks associated with older homes.