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Flagpole Specifications   

Commercial Series
  Maximum
Unflagged
Wind Speed
Maximum
Flagged
Wind Speed
Pole Height Butt Diameter Top Diameter Wall Thickness Recommended
Canadian
Flag Size
Recommended
U.S.A.
Flag Size
Constant
mph
With Gusts
mph
Constant
mph
With Gusts
mph
16' 4" 2.375" .125" 3' x 6' 3' x 5' 200 256 130 168
20' 4" 2.375" .125" 3' x 6' 3' x 5' 117 152 91 118
25' 4" 2.375" .125" 3' x 6' 3' x 5' 85 109 72 93
30' 4" 2.375" .125" 3' x 6' 3' x 5' 68 88 54 70
35' 5" 3.000" .156" 3' 9" x 7' 6" 4' x 6' 71 92 59 76
40' 5" 3.000" .156" 3' 9" x 7' 6" 4' x 6' 58 75 48 62
45' 8" 3.500" .188" 5' x 10' 6' x 10' 122 159 80 104
50' 8" 3.500" .188" 6' x 12' 6' x 10' 91 118 69 89
60' 10" 3.500" .250" 7' 6" x 15' 10' x 15' 112 143 100 128

Architectural Series
  Maximum
Unflagged
Wind Speed
Maximum
Flagged
Wind Speed
Pole Height Butt Diameter Top Diameter Wall Thickness Recommended
Canadian
Flag Size
Recommended
U.S.A.
Flag Size
Constant
mph
With Gusts
mph
Constant
mph
With Gusts
mph
16' 5" 3" .156" 3' 9" x 7' 6" 4' x 6' 260 333 225 288
20' 5" 3" .156" 3' 9" x 7' 6" 4' x 6' 210 269 172 221
25' 5" 3" .156" 3' 9" x 7' 6" 4' x 6' 148 192 90 117
30' 5" 3" .156" 3' 9" x 7' 6" 4' x 6' 92 119 72 93
35' 6" 3.5" .188" 4' 6" x 9' 5' x 8' 100 128 72 93
40' 7" 3.5" .188" 5' x 10' 6' x 10' 100 128 82 105
50' 10" 4.0" .188" 7' 6" x 15' 10' x 15' 140 182 98 127
60' 12" 4.0" .250" 9' x 18' 12' x 18' 148 192 108 140
70' 12" 4.0" .375" 12' x 24' 12' x 18' 122 157 110 142
80' 12" 4.0" .375" 15' x 30' 15' x 25' 108 140 81 105

 
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