Sound insulation is tested in compliance with DIN EN ISO 10140 in testing stations that are acoustically fully insulated.

Sound is transmitted exclusively through the tested door element and not through openings, wall or ceiling connections.
By testing both the fully caulked and the operative condition the manufacturer is provided with important information about the door leaf’s performance and the influence of frame, hinges and seals.

• Station and measuring instrumentation comply with DIN EN ISO 10140
• Testing of door sets up to 59 dB is possible
• Opening:
  1,030 x 2,015 mm
• Wall thickness: 260 mm; Wall-high elements also available
• Steel frames available:
  985 x 1,985 mm DIN left; Special frames can be mounted