We are proud to be an American owned and operated manufacturer located in Tennessee. Dutch Tech's Therma-Guard is America's favorite reflective thermal insulation. With a super strong woven backing that's nearly impossible to tear, Therma-Guard's premium strength sets it apart from the competition. A 3mm foam core gives it thermal resistance to insulate your building while the reflective metalized face reflects radiant heat keeping your building comfortable in the summer and in the winter.