MATERIAL: Foam or fiberglass core, faced with quilted aluminized fabric. PATTERN: Quilted pattern FEATURES: Effective and durable absorber with mass loaded vinyl barrier option. APPLICATIONS: Effective solution to a wide range of unusual problems. Machinery and work area enclosures. Industrial absorbers, portable screens. THICKNESS: 1″, 2″ SIZES: BSC-25 Curtain – Quilting on Both Sides – Standard: 48″ Wide and Lengths up to 25′ BBC-13 Curtain – Quilting on One Side – Standard: 54″ Wide and Lengths up to 25′ Custom sizes also available. COLOR: Silver (Other colors available upon request) FLAMMABILITY: ASTM E84, Class A. Flame Spread: 23; Smoke Developed: 30 INSTALLATION: Hook and loop fasteners, grommet hangers, curtain spanport hardware.