installation instructions for welded frames

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F-Series frames are available without returns: Fire Rated frames must have welded corners. Frames must include weled in wood or steel stud anchors. Installation requirements: Frames must be...
Masonry T anchor are approved for fire rated frames up to 3 hours. T Anchors are shipped lose for field installation. Anchor construction: The T portion and the strap do have minimum dimensions th...
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...
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...
Yes, a filler plate can be used to cover an EPT prep as long as it is made from the same material as the frame. This information can also be found in NFPA 80 under Chapter 5 for Field Modifications.
Industry standards for hollow metal frames installation tolerances have been developed by both the SDI (Steel Door Institute) and HMMA (Hollow Metal Manufacturers). Both standards are based on the ...
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 ...
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 ...