Why Spray Foam Insulation? ​There are other types of insulation like fiberglass rolls or cellulose, but we highly recommend spray foam insulation for your Tulsa, OK home, or office. Foam Insulation was initially used to insulate airplanes back in the 1940s because it was much easier to get the insulation everywhere it was needed. The liquid that turned into foam could be sprayed into every opening and space. Over the last 75 years, scientists and manufacturers have experimented and improved the spray foam formulas and installation methods, and spray foam insulation is now the most popular choice for insulation.