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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 (ATUD Deflection included) Double 2x6 SPF No.2 Top Plates

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ATUD-53x80-1
ATUD

Roof Uplift Along Top of Wall (plf) Uplift Rod Run Spacing (in.) Double 2x6 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 [0.082] 65 [0.051] 65 [0.037] 65 [0.031] 5,771 65 [0.077] 65 [0.047] 65 [0.033] 65 [0.027] 12,265
30 65 [0.113] 65 [0.074] 65 [0.056] 65 [0.048] 5,365 65 [0.102] 65 [0.063] 65 [0.046] 65 [0.037] 11,859
36 65 [0.154] 65 [0.107] 65 [0.086] 65 [0.076] 4,869 65 [0.131] 65 [0.085] 65 [0.064] 65 [0.053] 11,362
40 65 [0.189] 65 [0.137] 65 [0.114] 65 [0.102] 4,488 65 [0.155] 65 [0.103] 65 [0.08] 65 [0.068] 10,981
42 65 [0.21] 65 [0.156] 65 [0.131] 65 [0.118] 4,282 65 [0.168] 65 [0.114] 65 [0.09] 65 [0.077] 10,776
48 47 [0.248] 65 [0.224] 65 [0.196] 65 [0.181] 3,605 65 [0.216] 65 [0.154] 65 [0.126] 65 [0.111] 10,099
60 NP NP NP NP - 26 [0.25] 47 [0.25] 65 [0.241] 65 [0.221] 8,474
72 NP NP NP NP - NP NP NP NP -
200 24 65 [0.163] 65 [0.101] 65 [0.073] 65 [0.058] 5,049 65 [0.154] 65 [0.092] 65 [0.064] 65 [0.049] 11,543
30 65 [0.224] 65 [0.147] 65 [0.112] 65 [0.092] 4,237 65 [0.203] 65 [0.125] 65 [0.09] 65 [0.071] 10,731
36 47 [0.249] 65 [0.213] 65 [0.172] 65 [0.148] 3,244 56 [0.233] 65 [0.169] 65 [0.127] 65 [0.103] 9,738
40 29 [0.25] 52 [0.249] 65 [0.227] 65 [0.2] 2,482 48 [0.249] 65 [0.206] 65 [0.159] 65 [0.132] 8,976
42 19 [0.248] 35 [0.249] 56 [0.25] 65 [0.233] 2,071 41 [0.247] 65 [0.227] 65 [0.179] 65 [0.15] 8,565
48 NP NP NP NP - 22 [0.248] 40 [0.248] 64 [0.249] 65 [0.217] 7,211
60 NP NP NP NP - NP NP NP NP -
72 NP NP NP NP - NP NP NP NP -
300 24 56 [0.215] 65 [0.151] 65 [0.109] 65 [0.085] 4,327 56 [0.202] 65 [0.138] 65 [0.096] 65 [0.072] 10,821
30 43 [0.248] 65 [0.22] 65 [0.167] 65 [0.136] 3,109 45 [0.224] 65 [0.187] 65 [0.135] 65 [0.104] 9,602
36 21 [0.249] 38 [0.249] 60 [0.249] 65 [0.219] 1,620 35 [0.249] 63 [0.248] 65 [0.19] 65 [0.152] 8,113
40 NP NP NP NP - 24 [0.246] 44 [0.247] 65 [0.239] 65 [0.197] 6,970
42 NP NP NP NP - 19 [0.247] 35 [0.249] 55 [0.248] 65 [0.223] 6,353
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 42 [0.227] 65 [0.201] 65 [0.145] 65 [0.112] 3,605 42 [0.209] 65 [0.183] 65 [0.127] 65 [0.094] 10,099
30 27 [0.246] 50 [0.249] 65 [0.223] 65 [0.181] 1,981 33 [0.235] 61 [0.238] 65 [0.18] 65 [0.138] 8,474
36 NP NP NP NP - 22 [0.249] 40 [0.249] 63 [0.249] 65 [0.202] 6,489
40 NP NP NP NP - 13 [0.25] 23 [0.248] 31 [0.249] 58 [0.249] 4,964
42 NP NP NP NP - NP 11 [0.248] 18 [0.25] 38 [0.249] 4,142
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 33 [0.236] 61 [0.239] 65 [0.181] 65 [0.139] 2,883 33 [0.214] 61 [0.217] 65 [0.159] 65 [0.117] 9,377
30 18 [0.247] 33 [0.249] 52 [0.248] 65 [0.225] 853 26 [0.247] 48 [0.25] 65 [0.224] 65 [0.171] 7,346
36 NP NP NP NP - 12 [0.246] 22 [0.247] 35 [0.247] 64 [0.25] 4,864
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 27 [0.245] 50 [0.248] 65 [0.217] 65 [0.166] 2,161 28 [0.224] 51 [0.225] 65 [0.19] 65 [0.139] 8,655
30 NP NP NP NP - 18 [0.246] 33 [0.248] 53 [0.25] 65 [0.204] 6,218
36 NP NP NP NP - NP 13 [0.245] 22 [0.25] 42 [0.25] 3,240
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 -