Dead Zone 10 Sheets Sound Deadening 25cmX40cm Alum Foil Wrap Butyl Rubber 80 Mil

New Dead Zone Sound Deadening Material   Ten - 25cm x 40cm (9.84" x 15.75") sheets 80 mil thickness Approximately 10-3/4 square feet of coverage. Butyl rubber adhesive backed aluminum is ugly and messy, but it sticks like glue Perfect for reducing the sound level in cars and trucks. Suitable for use on floorboards, firewalls, door panels, trunks, and anywhere else needed. Provides thermal insulation. Can be used for sealing roof flashing as well as fixing punctures or leaks in cars, trailers, truck bodies, containers, RV's and campers, or even corrugated roofing. Highly tacky butyl rubber backing makes a tight waterproof seal. Installation Instructions: Surface Prep: Prepare the surface by making sure it's clean and dry. Use degreaser if necessary.  Measure and Cut: Measure the area to be covered and unroll the amount of Dead Zone material needed. Draw the measurements on the material using a permanent marker. Using a utility knife, cut along the measurements drawn in t