.5 Lb Density Mass-Loaded Vinyl 4' x 50' Roll 200 Sq Ft - MLV SoundProofing/Sound Deadening Vinyl Sheet Noise Barrier - Made in the USA!

Made in the USA "Green" Product, NOT chinese MLV! RECOMMENDED FOR: Use in or on walls, ceilings, or floors, and most effective when used as one component of a multi-layered construction scheme.

# Good mechanical properties # Low water absorption and vapor transmission # excellent thermal insulation # excellent chemical resistance # smooth aesthetically pleasing surface