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Sizer did not distinguish between beams/stringer grade and post/timber grade for columns, treating them all as post/timber. This is both conservative and non-conservative as the bending resistance is greater for beam and stringers but the compressive axial resistance are greater for post and timbers. This has been corrected and beam and stringer grades have been added for columns. Note that columns with rectangular profiles are somewhat uncommon and are not part of the standard database.
The database editor program now allows you to view both post and timber and beam and stringer sets of properties for columns in the same way you previously could only for beams. These values can be entered for custom database files.