Description: Twin density lightweight foam laminate,high noise reduction and thermal insulation properties. To reduce engine,road,and transmission noise while dissipating heat. Durable outer cover material for tough environments. Keeps your interior cooler in the summer and warmer in the winter. Easy to cut and fit,strong adhesive backing. Non-flammable,flame retardant. Easily installs,fit all kinds of vehicle type. Application:exterior bulkhead,firewall,hood,engine compartment,engine bays.boot,wheel arch, body panels,load floor,under seat,floor,interior bulkhead. Installation: Clean the dust and oil which cover the automobile engine. Remove the door panels. Install the screws back in original place,it will easy be found when you mount, avoiding holes be covered. Use roller tools will make insulation materials and sheet metal firm fit,and play best adhesive,damping performance. According to the effect you want choose construction program,only single soundproof/damping plate or single heat and noise insulation cotton or both them. You can also use on car roof floors,hood ,firewall,chassis,trunk room,trunk lid and so on. Note: Not to be applied directly to heat source including: exhaust pipes, mufflers or hot pipes. Package Include:1 x Heat Sound Deadener Insulation Mat