The minimum clear opening width for ADA is 32" measured from face of door opened to 90 degrees to face of stop on strike jamb. There must be no hardware mounted to the door projectin...
Steelcraft have tested different types of doors and frame assemblies using Zero International gasket seals for the various STC ratings. Tests are in accordance to ASTM...
Frames can be installed either KD (knock down) or welded to receive the STC rating.
Steelcraft borrowed light frames are not listed/tested. Check with the glass manufacture if they are listed and with what type of framing used.
Sound seals are required. Zero International Gasket Notes:
Perimeter Seals – Zero #475 applies to the stop of the head and jambs.
Door bottom – Zero #367, surface applied.
Threshold ...
Effective December 9, 2019, Schlage L Series mortise locks with a thumbturn will ship standard with our new ADA thumbturn. The new ADA thumbturn is slightly smaller than
the existing design while s...