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B-Series
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Steelcraft B18, B16 and B14 Series Flush Doors are designed to meet the architectural requirements for full flush, steel stiffened doors. The door face sheets are supported by the internal steel stiffeners, which are welded to one face sheet and bonded to the opposite panel.
The B Series Door offers a wide range of specifiable options including sizes, glass light designs, optional edge constructions and hardware (mechanical, pneumatic, electrical) preparations.
 
B-Series Doors are 1-3/4˝ (45mm) thick.
 
Features and Benefits
  • Steel Stiffened core construction with welded 20 gauge hat section stiffeners
  • Full Height, Epoxy Filled Mechanical Interlock Edges provide structural support and stability the full height of the door edges. Available edge options:
    • Visible Edge Seam (standard) – full height, epoxy filled mechanical Interlocked edges
    • Filled Seam – optional edge seam epoxy filled and finished smooth. Includes tack welds above and below edge cutouts for hinges, locks, etc
    • Welded Edge Seam – optional edge seam welded with 1” (25mm) long weld, 6” (152mm) on center, epoxy filled between welds and finished smooth; available on B18, B16 and B14 doors
  • Universal Hinge Preparations (patented) allow for easy field conversion from standard weight .134” (3.3mm) hinges to heavy weight .180” (4.7mm) hinges
  • 14 Gage [0.067” (1.7mm)] Inverted Top and Bottom Channels provide stability and protection for the top and bottom edges from abuse
  • Beveled Hinge and Lock Edges allow for tighter installation tolerances, ensure easier operation and eliminate binding and sticking
  • Recessed Dezigner™ Glass Trim provides a clean, neat and flush finish with the door surface
  • Factory Applied Baked-On Rust Inhibiting Primer paint in accordance with ANSI A250.10-1998 (R2004)

Specifications

  • Door construction meets the requirements of ANSI A250.8-2003 (SDI 100)
  • Hardware preparations and reinforcements are in accordance with ANSI A250.6-2003. Locations are in accordance with ANSI/DHI A115 unless otherwise stated.
  • Meet the broadest fire rating requirements. They are listed for installations requiring compliance to both neutral pressure testing (ASTM E152 and UL-10B) and positive pressure standards (UBC 7-2 and UL-10C).
  • Door thickness: 1 3/4" (45mm)
  • Standard heights: 6'8" (2032mm); 7'0"-7'2" (2134mm-2184mm); 7'10"-8'0" (2388mm-2438mm); 10'0" (3048mm)
  • Standard widths: increments of 2"(50mm) from 1'6"(457mm) to 4'0"(1219mm)
Finish Paint
  • Rookwood Brown
  • Downing Earth
  • Downing Stone
  • Downing Sand
  • Aurora Brown
  • Weathered Shingle
  • Chelsea Gray
  • Black Bean
  • Spalding Gray
  • Blonde
  • Mannered Gold
  • Burgundy
  • Luxurious Red
  • Sierra Redwood
  • Homberg Gray
  • Cascades
  • Raisin
  • Pool House
    Core Construction
    Standard B-Series Core
    • 20 gauge [0.026" (0.6mm)] stiffeners
    • Stiffeners welded to inside of face sheets
      • Vertical interior webs located 6" (152mm) apart
      • Welded to face sheet 5” (127.6mm) on center
    • Stiffeners welded to each other at the top and bottom
    • Areas between stiffeners filled with nominal 1 pound (453.6g) per cubic ft density fiberglass batt insulation

    Standard Premium Edge Construction

    • Beveled hinge & lock edges
    • Full height mechanical interlock with epoxy adhesive
    • Visible edge seam standard
    • Seamless edge optional

    Door Application and Usage

    Series Steel Thickness Opening Usage Frequency
    B18 18 Ga (1.0mm) Interior-Cold Rolled Steel Heavy Duty
    B18 18 Ga (1.0mm) Exterior-Galvannealled Steel Heavy Duty
    B16 16 Ga (1.3mm) Interior-Cold Rolled Steel Extra Heavy Duty
    B16 16 Ga (1.3mm) Exterior-Galvannealled Steel Extra Heavy Duty
    B14 14 Ga (1.7mm) Interior-Cold Rolled Steel Maximum Duty
    B14 14 Ga (1.7mm) Exterior-Galvannealled Steel Maximum Duty

    Standard Hardware Preparations

    • Universal Mortise Hinge
    • 61L Lock
    • 86 Lock
    • Inactive Leaf ASA Strike Prep with Astragal attached
    • Optional 14 Gage Closer Reinforcement

    Standard: mortised and reinforced for

    • Patented Universal hinge preparations allow for easy field conversion from standard 4 1/2” x .134” standard weight hinges to 4 1/2” x .180” heavy weight hinges. Optional hinge preparation for 5” x .146” standard weight hinges or for 5” (127mm) x .190” (4.8mm) heavy weight hinges is also available.
    • The cylindrical 161, 61L and mortise 86 lock preps are the most commonly used active leaf preparations. The 4 7/8 (124mm) strike prep is the most commonly used inactive leaf preparation.
    • Optional reinforcements for surface and concealed closers are available
    • Special hardware applications are available

    Door Sizes and ANSI A250.8 Conversions

    Series ANSI A250.8 - SDI 100 Edge Construction Options Maximum Sizes Recommended Gage of Frame
    Level Model Description Single Pair
    Level 2 - Heavy Duty Commercial & Institutional
    B18 2 1 Full Flush Visible 4'0" x 10'0"
    1219mm x 3048mm
    8'0" x 10'0"
    2438mm x 3048mm
    16 Gage [0.053" (1.3mm)]
    BF18 2 2 Seamless Epoxy Filled
    BW18 2 2 Seamless Welded
    Level 3 - Extra Heavy Duty Commercial & Institutional
    B16 3 1 Full Flush Visible 4'0" x 10'0"
    1219mm x 3048mm
    8'0" x 10'0"
    2438mm x 3048mm
    16 Gage [0.053" (1.3mm)]
    14 Gage [0.067" (1.7mm)]
    BF16 3 2 Seamless Epoxy Filled
    BW16 3 2 Seamless Welded
    Level 4 - Maximum Duty Commercial & Institutional
    B14 4 1 Full Flush Visible 4'0" x 10'0"
    1219mm x 3048mm
    8'0" x 10'0"
    2438mm x 3048mm
    14 Gage [0.067" (1.7mm)]
    BF14 4 2 Seamless Epoxy Filled
    BW14 4 2 Seamless Welded

    Door Edge Construction

    • Vertical edges (both hinge and lock) are beveled 1/8” (3.2mm) in 2” (51mm) with a visible seam.
    • Top and bottom edges are closed with inverted 14 gage [0.067” (1.7mm)] welded channels. Exterior applications require the addition of top caps to protect against the weather.
    • Optional Edge Seams available in the B Series doors:
      • BF – the mechanical edge seam is filled and finished prior to applying the factory primer
      • BW – the mechanical edge seam is welded and finished prior to applying the factory primer

    Full Flush
    B-Series Visible Seam Features

    • Full height mechanical interlock
    • Interlock filled with epoxy adhesive
    • Visible edge seam

    Seamless
    BF Series Seam Filled Features

    • Full height mechanical interlock
    • Interlock is tack welded and filled with epoxy adhesive
    • Edge seam is epoxy filled and finished
    • No visible edge seam

    BW Series Seam Welded Features

    • Full height mechanical interlock
    • Interlock filled with epoxy adhesive
    • Edge is seam welded 1” (25mm) long, 6” (152mm) O.C.
    • No visible edge seam