Type "F" (Intermediate Rib)

Corrugated Roofing & Siding

Type F Intermediate Rib is an older deck profile still widely used, particularly where roofs must nest with an existing Type F roof. All attributes that apply to B deck also apply to Type F. Load carrying capabilities for Type F Intermediate Rib are less thanType B Wide Rib.

SECTION PROPERTIES (Fy=33 ksi)
Gage Design Thickness Weight Ptd (psf) Galy Ip (In4) In (In4) Sp (In3) Sn (In3) Download
22 0.0295 1.58 1.61 0.134 0.154 0.134 0.145
20 0.0358 1.98 2.04 0.172 0.187 0.165 0.176
18 0.0474 2.60 2.70 0.245 0.248 0.226 0.232
16 0.0598 3.10 3.20 0.314 0.314 0.290 0.292
Section Properties calculated in accordance with AISI specifications.
Gageh SpanCond Max SDI
Const Sp
Uniform Total Load in Pounds Per Square Foot (Dead and Live)
9'-0" 9'-6" 10'-0" 10'-6" 11'-0" 11'-6" 12'-0" 12'-6" 13'-0" 13'-6" 14'-0"
22    One      11'-3" 57 51 46 42 38 35 32 - - - -
20 12'-9" 76 68 61 55 49 44 40 36 33 31 -
18 15'-5" 111 98 85 75 67 59 53 48 44 40 37
16 18'-0" 145 130 113 99 88 78 70 63 57 52 47
14 20'-10" 187 168 148 129 114 101 90 81 73 66 60
12 25'-0" - - - 183 160 141 125 112 101 91 83
22    Two      13'-3" 70 62 56 51 46 42 39 36 33 31 -
20 15'-0" 88 79 71 64 59 54 49 45 42 39 36
18 18'-2" 122 109 98 89 81 74 68 63 58 54 50
16 22'-0" 155 139 125 114 103 95 87 80 74 68 64
14 24'-7" 194 174 157 143 130 119 109 101 93 86 80
12 29'-6" - - - 199 182 166 153 141 130 120 112
22  Three
or
More   
13'-3" 87 78 70 64 58 53 49 45 42 38 36
20 15'0" 110 99 89 81 73 67 62 57 52 49 45
18 18'-2" 152 136 123 112 102 93 85 79 73 67 62
16 22'-0" 194 174 157 142 129 118 109 100 93 86 80
14 - - - 197 178 163 149 137 126 116 108 100
12 - - - - - - - 191 176 162 151 140

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