Standard BOM
- Columns and base assemblies
- Perimeter crossbeam / gutter assemblies
- 175 mm louver blades
- Manual drive linkage and handle
- Drain parts, seals, corner connectors, fasteners
Material design basis
These are the visible commercial design inputs for product comparison and quote review. The approved shop drawing, material certificate, finish sample, packing list, and engineering documents control the final order.

Current profile drawing
| Component | Nominal envelope | Nominal wall | Material basis | Function |
|---|---|---|---|---|
| Column | 150×150 mm | 2.2 mm | Extruded 6063-T6 design basis | Vertical frame and concealed drainage route |
| Crossbeam | 165×40 mm | 1.8 mm | Extruded 6063-T6 design basis | Perimeter roof support / frame member |
| Crossbeam sink | 83.75×65 mm (76.5 mm lower width) | 1.3 mm | Extruded 6063-T6 design basis | Integrated collection / drainage component |
| Flap / louver | 175×35 mm | 1.2 mm | Extruded 6063-T6 design basis | Adjustable roof blade |
| Default nominal height | 2.7 m / 8 ft 10 in | — | Project approval required | Overall planning height before site review |
Commercial BOM
Quantities for louvers, fasteners, seals, drain parts, and accessory brackets change with footprint and layout. The approved packing list is the final quantity record.
Order hold points
Alloy/temper certificate, extrusion profile revision, powder-coat system, color, gloss, surface acceptance, and applicable coating test evidence.
Applicable code, site loads, risk category, exposure, topography, spans, connections, anchors, foundation assumptions, drainage, and required professional seal.
SKU, dimensions, accessories, electrical components, packing list, spare parts, warranty, DDP boundary, unloading, schedule, and exclusions.