B-Quiet Vcomp Composite Noise Barrier 13.5 Sq. Ft. Vcomp is a noise barrier composite consisting of a dense 1/8" vinyl based polymer barrier with a 1/4" thick foam decoupler. It has a total thickness of 3/8", weighs approximately 1 lb/sq. ft. Vcomp is meant to be installed on floors, doors and firewalls to reduce road and engine noise. Using a damping material in conjunction with Vcomp will offer the optimum performance. Each sheet measures 54" x 36" for a total of 13.5 sq. ft. per sheet.