The BSC model Barrier septum Composite is a non-reinforced loaded vinyl noise barrier sandwiched between two layers of fiberglass. A variety of facings are available including our standard industrial grade vinyl facing, an economy scrim facing and a silicone facing for high temperature or outdoor applications. Curtain panels are typically constructed with grommets across the top and mating hook and loop closures on the vertical edges. Rolls measuring 4' x 25' are available with edges bound or unbound. All products have a Class A flammability rating (per ASTM E-84 ).