I think it is just a rounding issue in the schedules.
I have seen the same with roof slopes (i.e. 25° 60') - in all versions so far.
I am not sure there is much you can do about it other than adjust the calculation decimal precision.
But that may affect the look of all the data in your schedules.
Barry.
One of the forum moderators.
Versions 6.5 to 27
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