Type “F” (Intermediate Rib) Corrugated Metal Roof Deck

Type F (Intermediate Rib) Roof Deck Description:

Type F (Intermediate Rib) deck provides the most economical combination of structural load capacity and insulation materials. The flute openings permit easy attachment to supporting structural members and the nest-able design eliminates the need for die-set ends.

Certified by Steel Deck Institute

Approved by Factory Mutual System

Classified by Underwriters Laboratories Inc.

F-DeckType F Roof Decking

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Section Properties (Per Ft. of Width)

Deck Gage Design Thickness In. Weight Lbs. Per Sq. Ft. “I” in. “Sp” in. “Sn” in.
Ptd. Galv.

22

0.0295 1.68 1.89 0.124 0.125 0.135

20

0.0358 2.05 2.20 0.160 0.155 0.164

18

0.0474 2.69 2.93 0.228 0.211 0.218

Uniform Total (Dead & Live) Load – Lbs. Per Sq. Ft.

Span Condition Gage Span, Ft.-in.
4-0 4-6 5-0 5-6 6-0 6-6 7-0 7-6 8-0 8-6 9-0

Simple

22 102 81 65 54 45 38 33
20 127 100 81 67 56 48 40 34 30
18 174 137 111 92 77 64 53 45 39 34 30

Two

22 111 87 71 68 49 42 36 31
20 135 107 86 71 60 51 44 38 33 30
18 179 141 114 94 79 67 58 51 44 39 35

Three or More

22 138 109 88 73 61 52 45 39 34 30
20 169 133 108 89 75 64 55 48 42 37 33
18 177 143 118 99 84 73 63 56 49 44

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