To complement our acoustic operable wall systems, we also provide high performance sound retardant door to use as pass doors when the movable wall is operated. This professional product can be used in public and private areas such as concert hall, theater, sport arena, gymnasium, and home entertainment centers as well. ADR sound retardant door reduces noise transmission between the interior and exterior of the room. Models for different sound attenuation levels are available from STC40 to STC54.

For hotels and residential applications, where lighter doors are strongly required along with Fire-retardant properties, novel products are now available with sound and fire retardant properties starting from STC30 (ASTME90) and 30 min, 60 min (both Integrity and Insulation criteria of BS-476 Part 20, 22), respectively.