USA Insulation in Green Bay, Appleton, Oshkosh and the surrounding areas keeps Wisconsin homes and businesses comfortable and energy-efficient with USA Insulation's Premium Injection Foam Insulation. Our injection foam insulation offers a 35% higher R-value than traditional methods, resulting in significant energy savings. At USA Insulation, we also provide injection wall foam, blown-in attic insulation, and air sealing services. USA Insulation - setting the gold standard in the insulation industry. We're proud to be America’s comfort, savings & energy efficiency experts for over 35 years.