Johns Manville's R-8U Unfaced Sound-SHIELD® Formaldehyde-Free Sound Attenuation Blanket Insulation 16 in. x 96 in. provides dependable sound dampening between rooms, mechanical spaces, and multi-family units. The unfaced construction makes it ideal for interior partitions where a vapor retarder is not needed. Noncombustible fiberglass supports fire safety standards and resists mold growth when kept dry. With 256 sq. ft. of coverage per package, this insulation blanket offers an efficient solution for enhancing privacy, comfort, and overall building performance.