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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 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 2x4 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 [0.084] 65 [0.053] 65 [0.039] 65 [0.034] 4,597 65 [0.078] 65 [0.047] 65 [0.033] 65 [0.028]
30 65 [0.12] 65 [0.081] 65 [0.063] 65 [0.056] 4,127 65 [0.105] 65 [0.066] 65 [0.048] 65 [0.041] 9,561
36 65 [0.169] 65 [0.123] 65 [0.102] 65 [0.092] 3,552 65 [0.138] 65 [0.092] 65 [0.071] 65 [0.061] 8,986
40 65 [0.213] 65 [0.161] 65 [0.138] 65 [0.127] 3,111 65 [0.166] 65 [0.115] 65 [0.091] 65 [0.08] 8,544
42 65 [0.239] 65 [0.185] 65 [0.16] 65 [0.148] 2,872 65 [0.182] 65 [0.128] 65 [0.104] 65 [0.092] 8,306
48 23 [0.248] 43 [0.249] 65 [0.247] 65 [0.233] 2,088 65 [0.24] 65 [0.178] 65 [0.15] 65 [0.136] 7,522
60 NP NP NP NP - NP NP NP NP -
72 NP NP NP NP - NP NP NP NP -
200 24 65 [0.168] 65 [0.106] 65 [0.078] 65 [0.063] 3,761 65 [0.155] 65 [0.093] 65 [0.065] 65 [0.051] 9,195
30 65 [0.238] 65 [0.161] 65 [0.126] 65 [0.107] 2,820 65 [0.209] 65 [0.131] 65 [0.096] 65 [0.078] 8,254
36 37 [0.248] 65 [0.244] 65 [0.202] 65 [0.179] 1,670 56 [0.247] 65 [0.183] 65 [0.141] 65 [0.118] 7,104
40 NP NP NP NP - 41 [0.247] 65 [0.228] 65 [0.182] 65 [0.156] 6,221
42 NP NP NP NP - 34 [0.249] 62 [0.249] 65 [0.206] 65 [0.179] 5,745
48 NP NP NP NP - 10 [0.246] 19 [0.248] 31 [0.25] 46 [0.249] 4,177
60 NP NP NP NP - NP NP NP NP -
72 NP NP NP NP - NP NP NP NP -
300 24 56 [0.222] 65 [0.158] 65 [0.116] 65 [0.093] 2,925 56 [0.204] 65 [0.14] 65 [0.098] 65 [0.075] 8,358
30 38 [0.249] 65 [0.24] 65 [0.188] 65 [0.159] 1,513 45 [0.233] 65 [0.196] 65 [0.143] 65 [0.114] 6,947
36 NP NP NP NP - 30 [0.246] 55 [0.247] 65 [0.211] 65 [0.175] 5,222
40 NP NP NP NP - 18 [0.248] 33 [0.249] 53 [0.25] 65 [0.232] 3,898
42 NP NP NP NP - 12 [0.25] 21 [0.248] 34 [0.249] 52 [0.25] 3,183
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 [0.237] 65 [0.21] 65 [0.154] 65 [0.123] 2,088 42 [0.212] 65 [0.186] 65 [0.13] 65 [0.099] 7,522
30 22 [0.247] 40 [0.247] 64 [0.248] 65 [0.21] 206 33 [0.246] 61 [0.249] 65 [0.191] 65 [0.151] 5,640
36 NP NP NP NP - 17 [0.245] 32 [0.249] 51 [0.25] 65 [0.232] 3,340
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 33 [0.248] 60 [0.248] 65 [0.192] 65 [0.153] 1,252 33 [0.217] 61 [0.22] 65 [0.162] 65 [0.122] 6,686
30 NP NP NP NP - 24 [0.248] 44 [0.249] 65 [0.238] 65 [0.188] 4,333
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 25 [0.246] 46 [0.248] 65 [0.231] 65 [0.182] 416 28 [0.229] 51 [0.229] 65 [0.194] 65 [0.146] 5,849
30 NP NP NP NP - 18 [0.25] 32 [0.247] 51 [0.247] 65 [0.225] 3,027
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 -