Reinforced steel truss floor decking

TDA and TDB Steel Truss Decking System

Factory-welded reinforcement trusses combined with a galvanized profiled-steel bottom sheet for composite floor construction.

TDA / TDB

Product overview

The TDA/TDB system combines factory-produced reinforcement trusses with a galvanized profiled-steel bottom form. The catalogue provides material categories, truss dimensions and weld-point shear tables for preliminary review. Structural calculations, steel certificates, welding procedure qualification and project-specific shop drawings remain required before procurement.

  • Factory-welded truss and bottom-sheet assembly
  • TDA and TDB system forms
  • Catalogue dimensional and weld-point tables
  • Applicable to composite floor construction

Available information

Model / seriesTDA / TDB
Truss height70–300 mm
Truss width80–100 mm
Chord spacing188 or 200 mm
Bottom-sheet thickness0.4–0.8 mm
Panel length1000–12000 mm
MOQTo be confirmed
SampleTo be confirmed
Lead timeTo be confirmed
OEM / ODMProject-specific dimensions are catalogue-listed as available; scope to be confirmed

Confirm before order

  • Structural design and span/load schedule
  • Steel grades and certificates
  • Bottom-sheet coating
  • Welding procedure and inspection
  • Shop drawings and local-code compliance

Document note: Dimensions and weld values are catalogue data. Standards text contains typographical/OCR ambiguity; calculations and test evidence were not supplied.

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We review the supplier's observable business identity, production fit, quotation assumptions and model-specific documents. Factory visits and production follow-up can be arranged when required.

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