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Recommended
Print Settings:
Paper Size=Letter, Layout=Landscape,
Margins=None, Scale=50%
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M U L L I O N / A N C H O R C A P A C I T Y C A L C U L A T O R
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FOR USE WITH FLORIDA PRODUCT
APPROVAL #21144, "LEGACY SERIES" MULLIONS
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Mullion
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Design
Pressure
(psf)
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Min. Anchor/Clip
Capacity
Req'd (lbs)
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Enter Mullion Length:
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in
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Enter Unit 1 Dimension:
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in
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Enter Unit 2 Dimension:
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in
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1
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2" x 4" x 3/8" Tube Mullion
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Unit 1
& 2 Dimensions should include half of your mullion thickness.
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2
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2" x 6" x 3/8" Tube Mullion
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3
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2" x 8" x 3/8" Tube Mullion
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Your Opening
Dimension is:
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in
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4
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8", 135° Tube Mullion
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Use only the dimensions of 2 directly
adjacent units.
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5
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2" x 4-1/8" Thermally-Broken Tube Mullion
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6
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1-1/2" x 4-1/4" Thermally-Broken Tube Mullion
w/Pressure Bar
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Enter Loading Type (R or T):
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7
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3-5/8" Thermally-Broken, HD, 135° Tube Mullion
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R = Rectangular or Point Loaded, T =
Trapezoidal/Triangular or Uniformly Loaded;
See "Load Areas" tab or approvals for examples. If unsure,
use Rectangular Loading.
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8
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1-1/2" x 5-1/2" Thermally-Broken Tube Mullion
w/Pressure Bar
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9
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5-3'8" Thermally-Broken, 135° Tube Mullion
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Mullion Design Pressures and the corresponding Anchor/Clip
Capacity required are show in the table to the right. Choose a specific
mullion that exceeds your opening's Design Pressure.
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10
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5-3'8" Thermally-Broken, Adjustable Bay Mullion
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11
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2" x 4-1/4" Thermally-Broken Tube Mullion
w/Drip Cap
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Enter Mullion Type (1-14):
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Design Pressure Req'd is:
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psf
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Load on Mullion Anchors/Clip is:
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lbs
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12
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2" x 5-3/4" Thermally-Broken Tube Mullion
w/Drip Cap
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13
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1-1/4" x 4" Thermally-Broken Tube Mullion
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Optional Design Pressure Reduction:
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14
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2" x 5-5/8" Thermally-Broken Tube Mullion
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If your Mullion's Design Pressure is much higher than what your
structure's opening actually requires, you may reduce the Mullion's Design
Pressure. This lowers the anchor capacity required and could give you
additional anchor options or require less anchors.
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Enter Reduced
Mullion Design Pressure:
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psf
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Your reduced
Anchor/Clip Capacity required is:
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lbs
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Knowing Your Anchor Load Requirement, you can now
choose the most appropriate Anchor & Clip Type from the table below. See
FL# 21144 "Legacy" for complete mullion installation instructions.
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Substrate:
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3k Concrete
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3.5k Conc.
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Hollow or
Filled CMU
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Filled CMU
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Wood
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Metal
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Anchor Type:
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3/16" DeWalt
Ultracon+
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1/4" DeWalt Ultracon+
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5/16" Elco
Ultracon
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3/16" DeWalt Ultracon+
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1/4" DeWalt Ultracon+
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1/4"
Elco CreteFlex
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1/4" SS
DeWalt AggreGator
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3/16" DeWalt Ultracon+
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1/4" DeWalt Ultracon+
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1/4" SS DeWalt AggreGator
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#12 Steel Screw
(G5)
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#14
Steel Screw (G5)
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#12 Steel Screw (G5)
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Edge Distance (in):
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1"
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2-1/2"
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1"
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2-1/2"
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3-1/8"
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1"
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2-1/2"
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1"
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2-1/2"
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2-1/2"
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2"
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1"
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1"
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2"
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0.54"
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0.60"
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0.324"
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Embedment (in):
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1-3/4"
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1-3/4"
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1-3/4"
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1-3/4"
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2"
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1-1/4"
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1-1/4"
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1-1/4"
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1-1/4"
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1-1/4"
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1-1/4"
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1-3/4"
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1-3/4"
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2"
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1-3/8"
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1-3/8"
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varies **
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* Indicates that the Clip & Anchor
option does not meet the minimum capacity required for the mullion's required
Design Pressure. It may be possible to input the Min. Required Design
Pressure in the Optional Design Pressure Reduction section above to obtain
more favorable anchor/clip options. N/A indicates that the anchor's tested
spacing prohibits its use in this instance regardless of Design Pressure.
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** For installation into metal, see the Approval
for metal type and thickness required.
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