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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 2x4 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 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 [0.087] 65 [0.056] 65 [0.042] 65 [0.036] 3,579 65 [0.08] 65 [0.049] 65 [0.035] 65 [0.029] 7,832
30 65 [0.125] 65 [0.086] 65 [0.069] 65 [0.06] 3,201 65 [0.108] 65 [0.069] 65 [0.052] 65 [0.044] 7,453
36 65 [0.179] 65 [0.133] 65 [0.112] 65 [0.101] 2,738 65 [0.144] 65 [0.098] 65 [0.077] 65 [0.066] 6,990
40 65 [0.228] 65 [0.176] 65 [0.153] 65 [0.141] 2,382 65 [0.175] 65 [0.123] 65 [0.1] 65 [0.088] 6,635
42 61 [0.25] 65 [0.203] 65 [0.178] 65 [0.166] 2,191 65 [0.192] 65 [0.138] 65 [0.113] 65 [0.101] 6,443
48 NP NP NP NP - 62 [0.25] 65 [0.194] 65 [0.166] 65 [0.151] 5,812
60 NP NP NP NP - NP NP NP NP -
72 NP NP NP NP - NP NP NP NP -
200 24 65 [0.173] 65 [0.111] 65 [0.083] 65 [0.068] 2,906 65 [0.159] 65 [0.097] 65 [0.069] 65 [0.054] 7,159
30 65 [0.249] 65 [0.171] 65 [0.136] 65 [0.117] 2,149 65 [0.215] 65 [0.138] 65 [0.103] 65 [0.083] 6,401
36 31 [0.249] 56 [0.249] 65 [0.223] 65 [0.199] 1,223 53 [0.249] 65 [0.194] 65 [0.152] 65 [0.128] 5,475
40 NP NP NP NP - 37 [0.249] 65 [0.245] 65 [0.198] 65 [0.171] 4,765
42 NP NP NP NP - 29 [0.249] 52 [0.248] 65 [0.226] 65 [0.197] 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 56 [0.23] 65 [0.166] 65 [0.124] 65 [0.1] 2,233 56 [0.209] 65 [0.145] 65 [0.103] 65 [0.079] 6,485
30 34 [0.249] 62 [0.25] 65 [0.204] 65 [0.173] 1,097 45 [0.242] 65 [0.206] 65 [0.153] 65 [0.123] 5,349
36 NP NP NP NP - 27 [0.249] 49 [0.249] 65 [0.228] 65 [0.191] 3,961
40 NP NP NP NP - 13 [0.246] 24 [0.247] 39 [0.249] 61 [0.25] 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 42 [0.247] 65 [0.221] 65 [0.165] 65 [0.132] 1,560 42 [0.219] 65 [0.193] 65 [0.137] 65 [0.104] 5,812
30 NP NP NP NP - 31 [0.249] 56 [0.248] 65 [0.204] 65 [0.162] 4,297
36 NP NP NP NP - 14 [0.249] 25 [0.248] 40 [0.249] 63 [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 30 [0.245] 56 [0.249] 65 [0.206] 65 [0.164] 886 33 [0.226] 61 [0.229] 65 [0.171] 65 [0.129] 5,139
30 NP NP NP NP - 21 [0.244] 39 [0.248] 62 [0.248] 65 [0.202] 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 23 [0.249] 41 [0.247] 65 [0.247] 65 [0.196] 213 28 [0.24] 51 [0.24] 65 [0.205] 65 [0.154] 4,466
30 NP NP NP NP - 13 [0.244] 25 [0.25] 39 [0.248] 65 [0.241] 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 -