ABOUT THE PRODUCT
Similar to the VS-Series, the AD-Series flush doors are Steel Stiffened doors, designed to meet the international requirements
for extra heavy duty to maximum duty full flush acoustical sound reduction doors. They are applicable for high frequency and
sever traffic openings used for exterior or interior applications, where rigidity and sound attenuation are of high importance.
AD-Series doors are rated by their STC value (Sound Transmission Class) and supplied as a complete assembly including
door, frame, sound seals and hardware sets as required for the related sound rating.
SPECIFICATIONS OF COMPLIANCE
AD-Series doors are tested in accordance with the American Society for Testing and Materials designation ASTM E90-90,“Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions” and classified in accordance with ASTM E413-87, “Classification for Rating Sound Insulation” and ASTM E1332-90 entitled, “Standard Classification for Determination of Outdoor-Indoor Transmission Class”.
Fire Rating: listed and labeled by Intertek-Warnock Hersey according to UL 10C, UL 10B, UBC 7-2-1994/1997, NFPA 252-1995, ASTM E152-81a, CAN4-1980, and BS 476. Rating of door sets as such:
STC-31: 1219 x 2743 mm Door Height for single swing door rated up to 3 Hrs. 2438 x 2793 mm Door Height for pair of doors swinging in both directions rated up to 1 1/2 Hrs. 2438 x 2438 mm Door Height for pairs of doors swinging in both directions rated up to 3 Hrs.
STC-38 up to STC-42: 1219 x 3048 mm Door Height for single swing door rated up to 3 Hrs. 1219 x 2743 mm Door Height for pair of doors swinging in both directions rated up to 1 1/2 Hrs.
STC-47: Non Fire Rated.