Fusion Sprayfoam is the latest technology self-adhesive, seamless expanding insulation and air tightness membrane system all in one. br br Fusion Sprayfoam is unlike any other insulation in that it gives you two systems in one 1) Thermal Insulation and 2) air tightness system all in one. So you get two systems for the price of one which makes it amazing value and gives you outrageous performance. br br You want the best Spray Foam installer. Fusion Spray Foam specializes in sprayfoam. That's right , we don't do any other type of insulation.