Past experience.
If its a conventional roof, half the distance up to the first purlin won't be much.
The critical factor here would be deflection under live load, though that could be reduced by using a thicker guage.
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Lintel above bifold doors
- Thread starter Wbur9
- Start date
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- Tags
- bifold door lintel
If its a conventional roof, half the distance up to the first purlin won't be much.
The critical factor here would be deflection under live load, though that could be reduced by using a thicker guage.
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