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URS Load Tables

Strong-Rod Systems

Technical and Installation Notes
Strong Rod Literature
ATS versus URS
Anchor Tiedown System
Uplift Restraint Systems for Roofs

Maximum Lengths of URS Uplift Rod Runs and Maximum Chord/Drag Strut Loads (RTUD Deflection included) Double 2x4 SPF No.2 Top Plates

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RTUD
RTUD

Roof Uplift Along Top of Wall (plf) Uplift Rod Run Spacing (in.) Double 2x4 SPF No.2 Top Plates
Unreinforced Top Plate Splices Reinforced Top Plate Splices Learn More
URS Model Maximum Chord / Drag Strut Load (lbs) URS Model Maximum Chord / Drag Strut Load (lbs)
URS3 URS4 URS5 URS6 URS3 URS4 URS5 URS6
Maximum Length of URS Uplift Rod Run (feet) [System Deflection, Δ (inches)] Maximum Length of URS Uplift Rod Run (feet) [System Deflection, Δ (inches)]
100 24 65 [0.14] 65 [0.103] 65 [0.091] 65 [0.087] 3,579 65 [0.133] 65 [0.096] 65 [0.084] 65 [0.08] 7,832
30 65 [0.178] 65 [0.133] 65 [0.118] 65 [0.111] 3,201 65 [0.161] 65 [0.116] 65 [0.101] 65 [0.094] 7,453
36 65 [0.232] 65 [0.18] 65 [0.161] 65 [0.152] 2,738 65 [0.197] 65 [0.145] 65 [0.126] 65 [0.117] 6,990
40 47 [0.249] 65 [0.223] 65 [0.202] 65 [0.192] 2,382 65 [0.228] 65 [0.17] 65 [0.149] 65 [0.138] 6,635
42 32 [0.249] 65 [0.25] 65 [0.227] 65 [0.216] 2,191 65 [0.245] 65 [0.185] 65 [0.163] 65 [0.151] 6,443
48 NP NP NP NP - 37 [0.25] 65 [0.241] 65 [0.215] 65 [0.202] 5,812
60 NP NP NP NP - NP NP NP NP -
72 NP NP NP NP - NP NP NP NP -
200 24 65 [0.226] 65 [0.158] 65 [0.132] 65 [0.119] 2,906 65 [0.212] 65 [0.144] 65 [0.118] 65 [0.105] 7,159
30 45 [0.249] 65 [0.218] 65 [0.186] 65 [0.168] 2,149 57 [0.247] 65 [0.185] 65 [0.152] 65 [0.134] 6,401
36 14 [0.249] 29 [0.249] 45 [0.25] 65 [0.249] 1,223 36 [0.249] 65 [0.242] 65 [0.202] 65 [0.179] 5,475
40 NP NP NP NP - 21 [0.247] 43 [0.249] 65 [0.248] 65 [0.222] 4,765
42 NP NP NP NP - 14 [0.248] 29 [0.248] 45 [0.249] 65 [0.248] 4,381
48 NP NP NP NP - NP NP NP NP -
60 NP NP NP NP - NP NP NP NP -
72 NP NP NP NP - NP NP NP NP -
300 24 45 [0.249] 65 [0.213] 65 [0.173] 65 [0.15] 2,233 51 [0.247] 65 [0.192] 65 [0.152] 65 [0.13] 6,485
30 20 [0.248] 40 [0.249] 62 [0.249] 65 [0.224] 1,097 33 [0.249] 63 [0.249] 65 [0.203] 65 [0.173] 5,349
36 NP NP NP NP - 15 [0.247] 31 [0.249] 48 [0.25] 65 [0.241] 3,961
40 NP NP NP NP - NP NP 12 [0.249] 20 [0.249] 2,895
42 NP NP NP NP - NP NP NP NP -
48 NP NP NP NP - NP NP NP NP -
60 NP NP NP NP - NP NP NP NP -
72 NP NP NP NP - NP NP NP NP -
400 24 29 [0.246] 57 [0.249] 65 [0.214] 65 [0.182] 1,560 36 [0.248] 65 [0.24] 65 [0.187] 65 [0.155] 5,812
30 NP NP NP NP - 20 [0.245] 40 [0.249] 63 [0.25] 65 [0.213] 4,297
36 NP NP NP NP - NP 12 [0.25] 17 [0.248] 29 [0.25] 2,446
40 NP NP NP NP - NP NP NP NP -
42 NP NP NP NP - NP NP NP NP -
48 NP NP NP NP - NP NP NP NP -
60 NP NP NP NP - NP NP NP NP -
72 NP NP NP NP - NP NP NP NP -
500 24 20 [0.247] 39 [0.247] 62 [0.25] 65 [0.214] 886 27 [0.25] 51 [0.248] 65 [0.221] 65 [0.18] 5,139
30 NP NP NP NP - 13 [0.247] 26 [0.248] 41 [0.25] 63 [0.249] 3,245
36 NP NP NP NP - NP NP NP NP -
40 NP NP NP NP - NP NP NP NP -
42 NP NP NP NP - NP NP NP NP -
48 NP NP NP NP - NP NP NP NP -
60 NP NP NP NP - NP NP NP NP -
72 NP NP NP NP - NP NP NP NP -
600 24 14 [0.248] 28 [0.249] 43 [0.248] 65 [0.246] 213 20 [0.244] 40 [0.249] 62 [0.248] 65 [0.204] 4,466
30 NP NP NP NP - NP 14 [0.249] 21 [0.248] 42 [0.249] 2,193
36 NP NP NP NP - NP NP NP NP -
40 NP NP NP NP - NP NP NP NP -
42 NP NP NP NP - NP NP NP NP -
48 NP NP NP NP - NP NP NP NP -
60 NP NP NP NP - NP NP NP NP -
72 NP NP NP NP - NP NP NP NP -