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URS Load Tables

Strong-Rod Systems

Technical and Installation Notes
Strong Rod Literature
Why Continuous Rod Tiedown Systems
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 SYP 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 SYP 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 [0.081] 65 [0.05] 65 [0.036] 65 [0.031] 5,818 65 [0.077] 65 [0.046] 65 [0.032] 65 [0.026] 12,478
30 65 [0.112] 65 [0.073] 65 [0.055] 65 [0.048] 5,344 65 [0.101] 65 [0.062] 65 [0.045] 65 [0.037] 12,004
36 65 [0.153] 65 [0.106] 65 [0.085] 65 [0.075] 4,765 65 [0.13] 65 [0.084] 65 [0.063] 65 [0.053] 11,425
40 65 [0.188] 65 [0.136] 65 [0.113] 65 [0.101] 4,320 65 [0.154] 65 [0.102] 65 [0.079] 65 [0.068] 10,980
42 65 [0.209] 65 [0.154] 65 [0.13] 65 [0.118] 4,080 65 [0.167] 65 [0.113] 65 [0.088] 65 [0.076] 10,740
48 48 [0.249] 65 [0.223] 65 [0.195] 65 [0.18] 3,291 65 [0.214] 65 [0.152] 65 [0.124] 65 [0.11] 9,951
60 NP NP NP NP - 26 [0.248] 48 [0.249] 65 [0.239] 65 [0.22] 8,055
72 NP NP NP NP - NP NP NP NP -
200 24 65 [0.161] 65 [0.099] 65 [0.071] 65 [0.057] 4,975 65 [0.153] 65 [0.091] 65 [0.063] 65 [0.048] 11,635
30 65 [0.222] 65 [0.145] 65 [0.11] 65 [0.091] 4,028 65 [0.201] 65 [0.123] 65 [0.088] 65 [0.07] 10,688
36 47 [0.247] 65 [0.211] 65 [0.169] 65 [0.146] 2,869 56 [0.231] 65 [0.167] 65 [0.125] 65 [0.102] 9,529
40 29 [0.248] 53 [0.248] 65 [0.225] 65 [0.199] 1,980 48 [0.247] 65 [0.204] 65 [0.157] 65 [0.131] 8,640
42 20 [0.249] 36 [0.248] 58 [0.25] 65 [0.231] 1,500 42 [0.248] 65 [0.225] 65 [0.176] 65 [0.149] 8,160
48 NP NP NP NP - 23 [0.249] 42 [0.25] 65 [0.247] 65 [0.216] 6,581
60 NP NP NP NP - NP NP NP NP -
72 NP NP NP NP - NP NP NP NP -
300 24 56 [0.213] 65 [0.149] 65 [0.107] 65 [0.084] 4,133 56 [0.2] 65 [0.135] 65 [0.093] 65 [0.07] 10,793
30 44 [0.25] 65 [0.217] 65 [0.164] 65 [0.135] 2,711 45 [0.221] 65 [0.185] 65 [0.132] 65 [0.103] 9,371
36 21 [0.246] 39 [0.248] 62 [0.249] 65 [0.218] 974 35 [0.246] 65 [0.25] 65 [0.187] 65 [0.151] 7,634
40 NP NP NP NP - 25 [0.248] 46 [0.249] 65 [0.235] 65 [0.195] 6,300
42 NP NP NP NP - 20 [0.249] 36 [0.248] 58 [0.25] 65 [0.221] 5,581
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 [0.224] 65 [0.198] 65 [0.142] 65 [0.11] 3,291 42 [0.207] 65 [0.18] 65 [0.124] 65 [0.092] 9,951
30 28 [0.248] 51 [0.248] 65 [0.219] 65 [0.179] 1,395 33 [0.231] 61 [0.234] 65 [0.176] 65 [0.136] 8,055
36 NP NP NP NP - 22 [0.245] 41 [0.248] 65 [0.248] 65 [0.199] 5,739
40 NP NP NP NP - 13 [0.245] 24 [0.247] 39 [0.249] 60 [0.25] 3,960
42 NP NP NP NP - NP 16 [0.249] 25 [0.248] 40 [0.25] 3,001
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 [0.232] 61 [0.235] 65 [0.177] 65 [0.137] 2,448 33 [0.21] 61 [0.213] 65 [0.155] 65 [0.115] 9,108
30 19 [0.25] 34 [0.248] 54 [0.248] 65 [0.222] 79 27 [0.249] 49 [0.249] 65 [0.22] 65 [0.168] 6,739
36 NP NP NP NP - 14 [0.242] 27 [0.249] 43 [0.25] 65 [0.248] 3,843
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 28 [0.247] 51 [0.247] 65 [0.212] 65 [0.163] 1,606 28 [0.22] 51 [0.221] 65 [0.186] 65 [0.137] 8,266
30 NP NP NP NP - 20 [0.243] 37 [0.246] 60 [0.25] 65 [0.201] 5,423
36 NP NP NP NP - NP 17 [0.246] 23 [0.248] 43 [0.248] 1,948
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 -