Primary Steel Truss Types
| Truss Type | Configuration | Span Range | Optimal Applications |
| Pratt Truss | Diagonal members slope toward center | 10-30m | Industrial roofs, bridges |
| Warren Truss | Equilateral triangles forming “W” pattern | 15-60m | Long-span roofs, aircraft hangars |
| Howe Truss | Diagonal members slope outward | 10-25m | Heavy vertical load buildings |
| Fink Truss | “W” shape for shorter spans | 6-15m | Residential/commercial roofs |
| Vierendeel Truss | Rectangular openings (no diagonals) | 10-20m | Architectural facades |
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