(QFM) WALL NOISE BARRIERS, Double faced material in nominal 2" thickness, for use as absorber. (HSC-122 bound back-to-back), Size W x H: 4 x 8'

Provides up to 21 dBA reduction in ambient noise depending on the noise source. Features a vinyl-coated gray facing cloth quilted to a supporting 2 lb./cu. ft. density fiberglass. Tough, permanent outer shell is resistant to oil, grease and mildew. Easily wiped clean. Attractive metallic gray color enhances area lighting. Complete with brass grommets for easy hanging. Rated Class I building material for ASTM E-84 tunnel test for flammability. Also available in white facing, call for details. FOB Shipping Point.