Steel flatbar balcony specifier drafts

Four exact S1 variants · R2 · 25 October 2026

Checked technical-review drafts. Not NBS-ready, construction-ready or approved for manufacture. Each width has its own CAD/BOM/calculation evidence and 33 structured fields. 21 fields per record remain provisional or missing.

Overall widthRail span mmUprightsActual fascia stations, mmNominal mass incl. illustrative weld envelopes, kg
900 mm8768[60, 225, 372, 528, 671, 840]43.165
1200 mm117611[60, 276, 477, 719, 924, 1140]58.491
1500 mm147614[60, 257, 454, 651, 849, 1046, 1243, 1440]73.778
1800 mm177616[60, 293, 505, 762, 1079, 1291, 1503, 1740]85.462

Mass excludes anchors, coatings and packaging; calculated from source geometry, not measured. Fixing positions are source model geometry, not an anchor design.

Editable range schedule · All field gaps · Official NBS/Uniclass research