DuraKool Insulation Mat offers exceptional heat and sound insulation. This lightweight, durable shield protects from radiant heat, absorbs vibration, reduces sound and provides more insulating padding. The synthetic fiber felt mat with a foil heat barrier block up to 90% of radiant heat. The generous 48'' x 72'' size comes in one-side or two-side foil. Easy appy - can easily be cut to fit anywhere. Apply with heavy-duty spray adhesive.