Is polyurethane spray foam insulation safe?

Unlike the traditional fiberglass insulation, which is a known carcinogen and carries a warning label on its packaging, polyurethane spray foam insulation does not jeopardize your health in any way. In fact, polyurethane foam even helps stop the infiltration of pollen, spores and other pathogens in to your home. Water blown foams that do not contain any ozone depleting gasses or blowing agents, and does not release any CFC’s or HCFC’s in to the environment, and does not contain formaldehyde.