Modular Acoustic Screens allow you to buy only what you need to create effective, customized noise barriers. Use individually or joined together to form a continuous sound seal enclosure. Tubular steel frame comes with platform feet and a sound barrier curtain of mass-loaded vinyl and noise-absorbing, quilted fiberglass. Exceeds ASTM E-84 Flame and Smoke Class A Fire Ratings. STC rating of 25dB. NRC .70. Screens are joined by hooks and fasteners. Easy-to-assemble frames. Barrier curtains are 4'Wx8'H. Made in USA.