Knock down frame

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The rough opening dimensions are the same for either Welded (SUA) or Knock Down (KD) frames For F, FN, FE, DE, MU three sided frames and four sided borrowed light frames: New masonry Walls: N...
 For DW, K three sided frames and four sided borrowed light frames: Three sided frame = door opening width (order size) plus 1 1/2" minimum to 2" maximum and the door opening height ...
Knock Down (KD) frames: KD frames are designed, manufactured and supplied with integral miters which include all notches, interlocking corner tabs and slots to allow for field assembly and do not r...
Side Light and Side Panel frames - Side Light and Side Panel frames are not KD (Knock Down), they must be assembled and welded. All side lite and side panel frames must be assembled and welde...
KD, Mitered, Visible Miter; frame assembly
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 ...
No, sidelights are not available in the DW or K-Series frames. The DW and K-Series frame is only available in either 3-sided or borrowed light frames. DW and K-Series frames are only available...
Knock Down Frame, KD; die miter, saw miter
Lead lined frames are intended for use in the X-ray Room locations in Health Care facilities. Frames are provided by Steelcraft prepped as follows:  Frames are supplied knock-down (KD). Fram...
It is always recommended to point installers to the industry installation manuals which are very comprehensive and are ANSI documents. SDI (Steel Door Institute) installation manual can be found...
Drywall Slip-on frames are recommended and designed to be installed as KD (Knock Down) assemblies and not recommended to be welded (SUA). If a DW-Series or K-Series is welded prior to installa...