How long has spray polyurethane been used to insulate houses?
Spray polyurethane foam was commercially developed in the United States in the mid-1960’s. Homes have been insulated with spray foam since that time.What smells does spray polyurethane insulation produce in my home?A slight odor will be present during installation of spray polyurethane insulation. This will rapidly dissipate after the spraying operation stops. After that, the installed spray polyurethane insulation will be odorless.
