Foam Engineers is devoted to the application of spray foam insulation. We are located in Sullivan, Missouri; just a short drive southwest of St. Louis. Our mission is to help homeowners, contractors, and architects build environmentally responsible structures that are safe, healthy, comfortable, and cost effective investments. Spray Foam Insulation is a vital tool to help us accomplish that goal, but we also understand that a home is a collection of many components that must work together as a system. That is why, in addition to spray foam insulation, we employ certified Home Energy Raters.