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Terms
Type F Metal Roof Deck is a 1 1/2" deep, intermediate rib metal roof deck that provides an economical roofing system of structural load carrying capacity and roofing insulation materials.
Unit of Measure

Design Thickness

N/A 18 gauge (0.0474") 20 gauge (0.0358") 22 gauge (0.0295")

Height (Min.)

N/A 1 1/2 in

Rib Spacing – Bottom (Min.)

N/A 1/2 in

Rib Spacing – Top (Max.)

N/A 1 3/4 in

Pitch (Rib Spacing – Center to Center)

N/A 6 in

Cover Widths

N/A 36 in

Industry References

N/A Type F, Intermediate Rib, IR

Finishes

N/A Galvanized G60 Galvanized G90 Painted Gray Top/White Bottom Painted Gray Top/Gray Bottom

N/A

Deck
Type
Span
Condition
Design
Thickness
Inches
Uniform Total (Dead & Live) Load in Pounds per Square Foot
Span Length - c. to c. Joists or Purlins (Ft. - In.)
4'-0" 4'-6" 5'-0" 5'-6" 6'-0" 6'-6" 7'-0" 7'-6" 8'-0" 8'-6"      
IR 22
0.0295 84 66 54 44                
IR 20 0.0358 104 82 67 55 46                
IR 18 0.0474 142 112 91 75 63 54 46 40          
IR 22
0.0295 90 71 58 48 40                
IR 20 0.0358 110 87 70 58 49 41              
IR 18 0.0474 145 114 93 77 64 55 47 41          
IR 22
0.0295 113 89 72 60 50 43              
IR 20 0.0358 137 108 88 72 61 52 45            
IR 18 0.0474 181 143 116 96 81 69 59 52 45 40