HushMat Ultra sound damping and thermal insulation material is OEM approved to North American automotive damping specifications. Ultra may be universally applied on any vehicle body surface without using cleaners or solvents. Ultra remains pliable and performs under a wide range of temperatures, from -30 to +400 degrees Fahrenheit. Ultra is easy to install. No heat guns or tools required. Easily cut to size with household scissors or razor knife. 1/8" thick Ultra Silver may be applied pre-paint without need for etching or surface prep. HushMat Ultra adhesion is guaranteed! Unique black foil does not reflect light.