Lizard Skin Ceramic Insulation is an easy to apply effective heat insulating coating for virtually any metal surface. Withstands -45 to 500 degrees F. This water-based coating is formulated with high-grade acrylic binders & air filled particles. Proven aerospace technology dramatically reduces surface temperature by 20-25 degrees F. Cleans up with soap & water. Easier to apply in contoured areas than peel and stick products. Covers 20-25 sq ft. at 0.040 (40mils /1 mm) thickness dry. May be used over 21201 Lizard Skin Sound Control for maximum sound control and insulation performance.