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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 DF No.2 Top Plates

Return to URS Load Tables index

ATUD-53x80-1
ATUD

Roof Uplift Along Top of Wall (plf) Uplift Rod Run Spacing (in.) Double 2x6 DF 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 [0.08] 65 [0.049] 65 [0.035] 65 [0.029] 7,400 65 [0.076] 65 [0.045] 65 [0.031] 65 [0.025] 15,698
30 65 [0.109] 65 [0.07] 65 [0.053] 65 [0.045] 6,896 65 [0.099] 65 [0.061] 65 [0.043] 65 [0.035] 15,193
36 65 [0.147] 65 [0.1] 65 [0.079] 65 [0.069] 6,279 65 [0.127] 65 [0.081] 65 [0.06] 65 [0.05] 14,576
40 65 [0.179] 65 [0.127] 65 [0.104] 65 [0.093] 5,806 65 [0.149] 65 [0.098] 65 [0.074] 65 [0.063] 14,103
42 65 [0.198] 65 [0.144] 65 [0.119] 65 [0.107] 5,550 65 [0.162] 65 [0.107] 65 [0.083] 65 [0.071] 13,848
48 57 [0.25] 65 [0.205] 65 [0.177] 65 [0.163] 4,709 65 [0.205] 65 [0.143] 65 [0.115] 65 [0.101] 13,007
60 NP NP NP NP - 35 [0.25] 63 [0.249] 65 [0.217] 65 [0.199] 10,988
72 NP NP NP NP - NP NP NP NP -
200 24 65 [0.159] 65 [0.097] 65 [0.069] 65 [0.055] 6,503 65 [0.151] 65 [0.089] 65 [0.061] 65 [0.047] 14,801
30 65 [0.217] 65 [0.139] 65 [0.104] 65 [0.086] 5,494 65 [0.198] 65 [0.12] 65 [0.085] 65 [0.067] 13,791
36 51 [0.248] 65 [0.2] 65 [0.157] 65 [0.135] 4,261 56 [0.225] 65 [0.16] 65 [0.118] 65 [0.096] 12,558
40 34 [0.248] 63 [0.25] 65 [0.207] 65 [0.182] 3,314 50 [0.245] 65 [0.194] 65 [0.148] 65 [0.122] 11,611
42 26 [0.25] 47 [0.249] 65 [0.237] 65 [0.21] 2,803 45 [0.248] 65 [0.214] 65 [0.165] 65 [0.138] 11,101
48 NP NP NP NP - 27 [0.248] 50 [0.25] 65 [0.229] 65 [0.198] 9,419
60 NP NP NP NP - NP NP NP NP -
72 NP NP NP NP - NP NP NP NP -
300 24 56 [0.209] 65 [0.145] 65 [0.103] 65 [0.08] 5,606 56 [0.197] 65 [0.133] 65 [0.091] 65 [0.068] 13,904
30 45 [0.245] 65 [0.208] 65 [0.156] 65 [0.126] 4,093 45 [0.217] 65 [0.18] 65 [0.127] 65 [0.098] 12,390
36 25 [0.247] 46 [0.249] 65 [0.236] 65 [0.2] 2,243 37 [0.246] 65 [0.24] 65 [0.177] 65 [0.142] 10,540
40 NP NP NP NP - 28 [0.25] 50 [0.247] 65 [0.221] 65 [0.181] 9,120
42 NP NP NP NP - 23 [0.249] 42 [0.25] 65 [0.247] 65 [0.205] 8,354
48 NP NP NP NP - NP 14 [0.249] 22 [0.248] 35 [0.25] 5,831
60 NP NP NP NP - NP NP NP NP -
72 NP NP NP NP - NP NP NP NP -
400 24 42 [0.219] 65 [0.192] 65 [0.136] 65 [0.105] 4,709 42 [0.204] 65 [0.177] 65 [0.121] 65 [0.09] 13,007
30 30 [0.246] 55 [0.248] 65 [0.207] 65 [0.167] 2,691 33 [0.225] 61 [0.228] 65 [0.169] 65 [0.13] 10,988
36 NP NP NP NP - 24 [0.245] 44 [0.247] 65 [0.236] 65 [0.188] 8,522
40 NP NP NP NP - 16 [0.248] 29 [0.248] 46 [0.248] 65 [0.24] 6,628
42 NP NP NP NP - 11 [0.243] 21 [0.247] 34 [0.249] 52 [0.249] 5,607
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 [0.226] 61 [0.229] 65 [0.17] 65 [0.131] 3,812 33 [0.206] 61 [0.209] 65 [0.151] 65 [0.111] 12,110
30 21 [0.248] 38 [0.248] 61 [0.249] 65 [0.208] 1,290 27 [0.241] 49 [0.241] 65 [0.211] 65 [0.161] 9,587
36 NP NP NP NP - 16 [0.242] 30 [0.247] 48 [0.248] 65 [0.234] 6,504
40 NP NP NP NP - NP 16 [0.246] 26 [0.249] 41 [0.25] 4,137
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 28 [0.239] 51 [0.239] 65 [0.204] 65 [0.156] 2,915 28 [0.216] 51 [0.216] 65 [0.181] 65 [0.133] 11,213
30 NP NP NP NP - 22 [0.249] 40 [0.249] 63 [0.248] 65 [0.192] 8,185
36 NP NP NP NP - 11 [0.243] 21 [0.249] 33 [0.248] 51 [0.248] 4,485
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 -