Inverted Conical Tensile Canopy
An architectural funnel-shaped tensile membrane directing water toward a controlled low point.
System overview and suitable applications
Inverted conical canopies create a central low point supported by surrounding high points. The central drainage outlet and membrane detailing require careful engineering and maintenance access.
Best Suited For
Courtyards, plazas, schools, hotel spaces, walkways and architectural gathering areas.
Design Advantage
Distinctive sculptural form with controlled central rainwater collection.
Customization
Dimensions, column positions, roof profile, membrane color, steel finish and accessories can be coordinated around the approved site layout.
Typical construction specification
| Element | Typical Options | Project Review |
|---|---|---|
| Primary Structure | Perimeter columns/frames, high-point supports, central low-point ring, cables and drainage interface. | Member sizes and thicknesses are finalized according to span, geometry, loads and approved engineering scope. |
| Shade Cover | PVC/PVDF or PTFE membrane with engineered seams, edge details and pretension. | UV performance, tensile strength, waterproofing, fire rating, color and warranty are reviewed. |
| Steel Protection | Hot-dip galvanizing, epoxy system, powder coating or project-approved paint | Selected for corrosion exposure, appearance and maintenance. |
| Connections | Fabricated plates, bolts, welds, tensioning hardware and accessories | Coordinated for structural load path, erection and service. |
| Foundation Interface | Base plates, anchor bolts and concrete foundations, or approved existing supports | Reactions, soil/site condition, embedment, edge distances and drainage are considered. |
Engineering and fabrication requirements
Site & Layout
Dimensions, clear heights, access, boundaries and obstacles are verified before final design.
Structural Coordination
Dead load, wind, uplift, members, connections, base plates, anchors and foundation reactions are reviewed as required.
Fabrication Control
Cutting, fit-up, welding, dimensions, surface preparation, coating and identification are checked before dispatch.
Installation methodology
- Confirm setting-out points, access, utilities and approved foundations.
- Complete foundations or verify approved supports and anchors.
- Erect members with controlled lifting, temporary stability and alignment.
- Complete connections, bolting and coating touch-ups.
- Fit and tension the membrane or roof system in the approved sequence.
- Inspect alignment, coating, connections, tension, drainage and site condition.
- Close snags and complete agreed handover documentation.
Maintenance and warranty guidance
Periodic inspection should cover membrane condition, seams, hardware, connections, coating damage, corrosion, anchors and drainage. Warranty coverage depends on the approved manufacturer, material system, workmanship scope, exposure and contract conditions.
Project note: Final section sizes, grades, coating, foundations and performance criteria follow approved project-specific documents.
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