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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 SYP 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 2x4 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 [0.086] 65 [0.055] 65 [0.041] 65 [0.036] 3,449 65 [0.079] 65 [0.048] 65 [0.034] 65 [0.029] 7,702
30 65 [0.124] 65 [0.085] 65 [0.068] 65 [0.06] 2,997 65 [0.107] 65 [0.068] 65 [0.051] 65 [0.043] 7,250
36 65 [0.178] 65 [0.132] 65 [0.111] 65 [0.101] 2,445 65 [0.143] 65 [0.097] 65 [0.076] 65 [0.066] 6,698
40 65 [0.227] 65 [0.175] 65 [0.152] 65 [0.14] 2,021 65 [0.173] 65 [0.122] 65 [0.098] 65 [0.087] 6,274
42 61 [0.248] 65 [0.201] 65 [0.177] 65 [0.165] 1,792 65 [0.191] 65 [0.137] 65 [0.112] 65 [0.1] 6,045
48 NP NP NP NP - 62 [0.248] 65 [0.192] 65 [0.164] 65 [0.15] 5,292
60 NP NP NP NP - NP NP NP NP -
72 NP NP NP NP - NP NP NP NP -
200 24 65 [0.171] 65 [0.109] 65 [0.081] 65 [0.067] 2,646 65 [0.158] 65 [0.096] 65 [0.068] 65 [0.053] 6,898
30 65 [0.247] 65 [0.17] 65 [0.135] 65 [0.116] 1,742 65 [0.213] 65 [0.136] 65 [0.101] 65 [0.082] 5,995
36 31 [0.247] 57 [0.248] 65 [0.22] 65 [0.197] 638 53 [0.247] 65 [0.192] 65 [0.15] 65 [0.127] 4,890
40 NP NP NP NP - 37 [0.247] 65 [0.242] 65 [0.196] 65 [0.17] 4,042
42 NP NP NP NP - 29 [0.247] 54 [0.25] 65 [0.223] 65 [0.196] 3,585
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 [0.228] 65 [0.164] 65 [0.122] 65 [0.099] 1,843 56 [0.207] 65 [0.143] 65 [0.101] 65 [0.078] 6,095
30 34 [0.247] 63 [0.249] 65 [0.201] 65 [0.172] 487 45 [0.24] 65 [0.203] 65 [0.151] 65 [0.121] 4,740
36 NP NP NP NP - 27 [0.246] 50 [0.248] 65 [0.225] 65 [0.189] 3,083
40 NP NP NP NP - 14 [0.248] 26 [0.249] 41 [0.249] 62 [0.249] 1,811
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 [0.244] 65 [0.218] 65 [0.162] 65 [0.13] 1,039 42 [0.217] 65 [0.19] 65 [0.134] 65 [0.103] 5,292
30 NP NP NP NP - 31 [0.245] 57 [0.247] 65 [0.2] 65 [0.16] 3,484
36 NP NP NP NP - 14 [0.245] 26 [0.247] 42 [0.249] 64 [0.249] 1,275
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 31 [0.247] 57 [0.249] 65 [0.202] 65 [0.162] 236 33 [0.223] 61 [0.226] 65 [0.167] 65 [0.127] 4,488
30 NP NP NP NP - 22 [0.247] 40 [0.247] 64 [0.248] 65 [0.199] 2,229
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 NP NP NP NP - 28 [0.235] 51 [0.236] 65 [0.201] 65 [0.152] 3,685
30 NP NP NP NP - 16 [0.248] 29 [0.248] 46 [0.248] 65 [0.238] 974
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 -