For drainage pipe and duct insulation0.09†(2.3mm) thick noise barrier with surface density of 1lb/ft2 (5kg/m2) with1†(25mm) thick scrim faced quilted fiberglass decoupler on one side andreinforced aluminum facing on the other sideSTC 27 rating (ASTM E-90-09)Class A flammability rating (ASTM E 84)Foam decoupler available upon requestInnovative