Universal Forest Products

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Where speed meets strength.
L/480 Live Load Deflection, 15 lb. Dead Load
Values shown are in pounds per square foot (psf)
Clear Span 9-1/4" Depth
o.c. Spacing		 11-7/8" Depth
o.c. Spacing		 14" Depth
o.c. Spacing		 16" Depth
o.c. Spacing
12" 16" 19.2" 24" 12" 16" 19.2" 24" 12" 16" 19.2" 24" 12" 16" 19.2" 24"
10'-1" 139 104 87 70 212 155 127 99 241 177 145 113 241 177 145 113
11'-1" 110 83 69 55 179 134 112 87 212 155 127 99 212 155 127 99
12'-1" 86 65 54 43 141 106 88 70 171 128 107 86 188 137 112 87
13'-1" 70 53 44 35 115 86 72 58 142 107 89 71 169 123 100 77
14'-1" 58 43 36 29 90 67 56 45 114 86 71 57 153 111 90 69
15'-1" 48 36 30 24 77 58 48 38 96 72 60 48 145 105 85 65
16'-1" 66 49 41 33 66 49 41 33 80 60 50 40 142 103 83 63
17'-1" 54 41 34 27 78 59 49 38 66 51 43 34 169 123 100 77
18'-1" 46 35 29 23 67 50 42 34 80 60 50 40 144 108 90 73
19'-1" 40 30 25 20 70 53 44 35 69 52 43 36 128 92 74 57
20'-1" 59 44 37 30 60 45 38 30 112 84 70 56
21'-1" 51 38 32 26 62 47 39 31 88 66 55 44
22'-1" 45 34 28 23 56 42 35 28 80 60 50 40
23'-1" 48 36 30 24 75 56 47 38
24'-1" 43 32 27 22 70 52 44 35
25'-1" 64 48 40 32
26'-1" 60 45 38 30
27'-1" 54 40 34 27
28'-1" 48 36 30 24
29'-1" 41 31 26 21
  • Consult Open Joist™ Engineering for allowable loads at clear span ranges not shown.
  • Special Engineering Note: Open Joist trusses may be manufactured with components that provide increased structural values that may exceed the performance levels indicated in these charts.
Universal Forest Products Eastern Division, Inc. manufactures the Open Joist™ product as a licensee of Distribution Open Joist 2000, Inc.  All Open Joist product design and engineering calculations are created by the licensor, Distribution Open Joist 2000, Inc.