The maximum size flag on a flagpole varies depending on what material is used to construct the flagpole. Quinn sells aluminum and fiberglass flagpoles. The general formula for determining flag size is that the longest side of the flag should be ¼ the height of the flagpole.
Aluminum flagpoles | Fiberglass flagpoles | ||
Pole Height Above Ground (in ft) | Maximum Flag Size (in ft) | Pole Height Above Ground (in ft) | Maximum Flag Size (in ft) |
15 | 2x3 | ||
20 | 3x5 | 20 | 3x5 |
25 | 4x6 | 25 | 4x6 |
30 | 5x8 | 30 | 5x8 |
35 | 6x10 | 35 | 5x8 |
40 | 8x12 | 40 | 6x10 |
50 | 10x15 | 50 | 8x12 |
60 | 12x18 | 60 | 10x15 |
70 | 15x25 | 70 | 12x18 |
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