CAN STANDARD FRAME BE USED FOR STC DOORS

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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 ...
 Cam Lift Hinges are specially designed hinges used mainly on acoustical door assemblies. The Cam Lift Hinge lifts the door during its travel and seats the door bottom for a pos...
STC stands for Sound Transmission Class. An STC (Sound Transmission Class) is a single number rating system derived from measured values of sound transmission loss in accordance with ASTM E90 and...
Overhead Concealed door closers are used to provide a more aesthetic look to the opening.  Concealed in either the frame or the door Offer the ability to be adjusted to maintain control o...
Steelcraft follows the industry standards for hinge reinforcement and preparation for both door and frame. Unless otherwise specified all products prepared for butt hinges will have mounting holes ...
The backset is 2 3/4" from edge of door to the center line of the device and strike. The preparation for the WS98/99 strike must be specified when placing order for the frame.
Hinge Spacing: All 4 1/2" and 5" butt hinge spacing 1. Opening heights 3'0" through 4'11 15/16" (one pair butt hinges) from under head CL 9 3/4" (top of door 9 5/8") from bottom of frame ...
Hinge Backset: On the frame = 5/16" On the door = 1/4"
Lock Spacing: All standard bored locks ANSI 115.2 (161, 61L type), for mortise lock ANSI 115.1 (86 type) all locations must be altered 3/8" lower, and standard strike (ASA type). 1. Opening ...
On May 1, 2013 the LM9000 lock was discontinued and replaced with the LM9300 Multipoint Lock. 
The Schlage LM9000 series lock was originally designed for use in FEMA (tornado) storm shelter openings and/or Florida Building code (hurricane) assemblies.  Doors, frames and hardware can be order...
  Specify either an L or B doors for use with the LM9000 or LMV9000 Specify the F frame for use with the LM9000 or LMV9000 Order the lock from Schlage as you would normally The concealed rods...
Yes, an additional jamb anchor can be used at the bottom of the frame in lieu of the typical (adjustable or weld-in) base anchor in fire rated frames. This is limited to the anchor designed for...
Levels and Models (covered in ANSI A250.8 (SDI 100) "Recommended Specifications for Standard Steel Doors and Frames") are SDI term aid in the selection and specification pr...