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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 2x6 SPF No.2 Top Plates

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RTUD
RTUD

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 [0.135] 65 [0.098] 65 [0.086] 65 [0.082] 5,771 65 [0.13] 65 [0.094] 65 [0.082] 65 [0.077] 12,265
30 65 [0.165] 65 [0.121] 65 [0.106] 65 [0.099] 5,365 65 [0.155] 65 [0.11] 65 [0.095] 65 [0.088] 11,859
36 65 [0.207] 65 [0.154] 65 [0.135] 65 [0.127] 4,869 65 [0.184] 65 [0.132] 65 [0.113] 65 [0.104] 11,362
40 65 [0.242] 65 [0.185] 65 [0.163] 65 [0.153] 4,488 65 [0.208] 65 [0.151] 65 [0.129] 65 [0.119] 10,981
42 58 [0.25] 65 [0.203] 65 [0.18] 65 [0.169] 4,282 65 [0.222] 65 [0.161] 65 [0.139] 65 [0.128] 10,776
48 22 [0.248] 46 [0.249] 65 [0.245] 65 [0.232] 3,605 56 [0.25] 65 [0.201] 65 [0.175] 65 [0.161] 10,099
60 NP NP NP NP - NP 14 [0.249] 21 [0.25] 29 [0.25] 8,474
72 NP NP NP NP - NP NP NP NP -
200 24 65 [0.216] 65 [0.148] 65 [0.122] 65 [0.109] 5,049 65 [0.207] 65 [0.139] 65 [0.113] 65 [0.1] 11,543
30 54 [0.249] 65 [0.194] 65 [0.161] 65 [0.143] 4,237 62 [0.248] 65 [0.172] 65 [0.14] 65 [0.121] 10,731
36 30 [0.249] 58 [0.248] 65 [0.221] 65 [0.198] 3,244 44 [0.249] 65 [0.216] 65 [0.176] 65 [0.154] 9,738
40 13 [0.247] 28 [0.249] 43 [0.25] 63 [0.249] 2,482 32 [0.247] 63 [0.249] 65 [0.209] 65 [0.183] 8,976
42 NP 12 [0.249] 17 [0.249] 26 [0.249] 2,071 27 [0.249] 52 [0.248] 65 [0.228] 65 [0.201] 8,565
48 NP NP NP NP - NP 20 [0.249] 31 [0.25] 46 [0.249] 7,211
60 NP NP NP NP - NP NP NP NP -
72 NP NP NP NP - NP NP NP NP -
300 24 50 [0.25] 65 [0.198] 65 [0.158] 65 [0.135] 4,327 54 [0.249] 65 [0.185] 65 [0.145] 65 [0.122] 10,821
30 29 [0.247] 57 [0.249] 65 [0.217] 65 [0.187] 3,109 37 [0.247] 65 [0.235] 65 [0.184] 65 [0.155] 9,602
36 NP 20 [0.249] 30 [0.249] 47 [0.25] 1,620 23 [0.247] 45 [0.248] 65 [0.239] 65 [0.203] 8,113
40 NP NP NP NP - 14 [0.248] 28 [0.248] 44 [0.25] 65 [0.247] 6,970
42 NP NP NP NP - NP 19 [0.247] 30 [0.249] 47 [0.25] 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 34 [0.248] 65 [0.248] 65 [0.194] 65 [0.162] 3,605 38 [0.247] 65 [0.23] 65 [0.176] 65 [0.145] 10,099
30 17 [0.248] 34 [0.249] 52 [0.248] 65 [0.231] 1,981 25 [0.247] 48 [0.247] 65 [0.229] 65 [0.188] 8,474
36 NP NP NP NP - 13 [0.247] 26 [0.248] 41 [0.25] 63 [0.249] 6,489
40 NP NP NP NP - NP 11 [0.248] 11 [0.25] 28 [0.25] 4,964
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 25 [0.248] 48 [0.248] 65 [0.23] 65 [0.189] 2,883 29 [0.248] 56 [0.25] 65 [0.208] 65 [0.167] 9,377
30 NP 20 [0.249] 31 [0.25] 48 [0.249] 853 18 [0.25] 35 [0.25] 54 [0.249] 65 [0.221] 7,346
36 NP NP NP NP - NP 11 [0.246] 17 [0.248] 37 [0.249] 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 19 [0.249] 37 [0.25] 57 [0.249] 65 [0.216] 2,161 23 [0.248] 44 [0.248] 65 [0.24] 65 [0.189] 8,655
30 NP NP NP NP - 11 [0.247] 22 [0.247] 35 [0.25] 62 [0.249] 6,218
36 NP NP NP NP - NP NP NP 19 [0.248] 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 -