When you want premium sound damping without the weight, at 0.45 lbs/ft2, Stealth is comprised of a black aluminum layer at 4 mils with a lightweight butyl layer.

Features 

• 9-Pack: 36sq-ft. total (18” x 32”)

• Lightweight construction

• Self-adhesive

• Easy installation

• Similar performance to Expert Series

• 25% Less weight