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Products

ETFE Membrane Semi-spherical Roof Structure

ETFE Membrane Semi-spherical Roof Structure

group nameRoof Structure System
Min Order1 piece
brand namePFM Architecture Service Provider
modelLarge-span ETFE Membrane Roof System
payment methodT/T, L/C
update timeFri, 05 Dec 2025 14:24:52 GMT

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Paramtents

Type Membrane structure construction project
Structural System Semi-Circular Spherical Structure + ETFE Membrane
Roof Span 73 m
Roofing Materials ETFE Membrane
Membrane Area Approximately 17,000 m²
Design Service Life 25–30 years (for membrane material)
Seismic Resistance Designed for 8-degree rating
Construction Period Approximately 8–10 months

Packging & Delivery

Min Order1 piece

Briefing

PFM, your partner in stadium and large-span roofing solutions. From design to installation, we deliver integrated, durable, and innovative roof systems for sports venues, landmarks, and commercial buildings worldwide.

Detailed

Quick Details

ETFE MEMBRANE ROOF SYSTEM

This project belongs to the main building of the China Aerospace Modern Agriculture Innovation Center Phase I Experience Center. It is a semi-circular spherical structure with a diameter of 73 meters, a span of 73 meters, a height of 23 meters, and an ETFE membrane structure area of approximately 17000 square meters. It is a typical large-span, large-space structure, and the entire structure is crystal clear and magnificent.

Project Type	ETFE Membrane Roof
Structural System	Semi-Circular Spherical Structure + ETFE Membrane
Roof Span	73 m
Roof Height	23 m
Roofing Materials	ETFE Membrane
Membrane Area	Approximately 17,000 m²
Design Service Life	25–30 years (for membrane material)
Seismic Resistance	Designed for 8-degree rating
Construction Period	Approximately 8–10 months

Project Technical Solution

Structural System

The project adopts a semi-circular spherical structural system composed of a main steel framework combined with an ETFE pneumatic membrane system. The integration of the steel structure and lightweight ETFE cushions achieves a large-span, transparent architectural form. Compared to traditional roofing, the overall weight is reduced to about one-fifth, minimizing foundation load and construction complexity.

Membrane (ETFE)

The ETFE membrane features exceptional light transmittance of up to 90%, allowing abundant natural light to fill the interior while maintaining excellent thermal insulation. It offers outstanding UV resistance, weather durability, and self-cleaning performance, ensuring long-term transparency and minimal maintenance costs.

Cable & Support System

The supporting system consists of high-strength steel cables and precision-engineered connectors, ensuring stable load transfer and wind resistance. The flexible yet robust cable-membrane integration provides superior structural performance under dynamic environmental conditions, maintaining both safety and visual lightness.

Project Highlights & Advantages

Iconic Architectural Appearance

The membrane structure’s unique curved form combined with dynamic light and shadow effects gives the stadium a distinctive identity, making it a city landmark.

Lightweight Large Span

The ultra-large-span roof minimizes internal columns, providing an open viewing space that meets the needs of sports events and other activities.

Long Service Life & Low Maintenance

PTFE membranes last much longer than PVC. With only regular cleaning and inspection, they ensure stadium longevity and reduce operational costs.

High Safety Performance

Designed for large-span spaces, PTFE membranes are strong, tear-resistant, waterproof, and fire-retardant, ensuring safety under wind and rain loads.

Durable & UV-Resistant

PTFE membranes resist UV damage, whiten within 30 days, and maintain a clean, bright appearance for over 25 years, ideal for high-UV environments.

Why Choose PFM

Specialized Solutions For Your Project

With rich international EPC experience, we offer PFM customized structural and roofing solutions tailored to each project's function, design, and architectural needs—ensuring efficient construction, unique appearance, and reliable performance.

A Variety of Combination Schemes
Combination Scheme		Structural Advantages	Functional Advantages	Typical Applications
Space Frame	Metal Roof	Long-span, lightweight, cost-effective	Simple modern appearance	Stadiums, exhibition halls, warehouses
	Glass Roof	High stiffness, stable structure	Excellent daylighting, transparency	Transport hubs, atriums, lobbies
Truss	Metal Roof	Flexible design, adaptable	Good daylighting	Museums, malls, greenhouses
	Glass Roof	High load capacity, durable	Transparent and open	Workshops, venues with hanging systems
Tensile Membrane	ETFE	Excellent durability, self-cleaning	Soft diffuse light	Stadium roofs, exhibition canopies
	PTFE	Ultra-lightweight, flexible, 90% transparency	Unique shapes, visually iconic	Stadium facades, atrium roofs, eco-greenhouses
steel structure	Metal Roof	Mature technology, reliable and strong	Industrial, modern appearance	Offices, factories, schools
Latticed Shell	Glass Skylight	High rigidity, large span	Abundant natural light, modern minimalist design	Commercial plazas, shopping centers
Other Customizable Parameters
Span Range	From 30 to 200 meters, tailored to specific project requirements.
Seismic Rating	Designed to meet seismic intensity levels from 6 to 9.
Material Options	Including Q235/Q355 structural steel, ETFE membrane, weathering steel, and more.
Sustainable Design	Compliant with green building standards, featuring energy-efficient roofing to reduce energy consumption.
Construction Method	Modular prefabrication to shorten construction time and reduce on-site risks.

Our Supply Capacity

Design Capability

A professional structural design team skilled in complex spatial modeling, structural analysis, and optimized design, ensuring the roofing system is safe, visually appealing, and cost-effective.

Procurement Capability

Long-term partnerships with top manufacturers of steel structures and roofing systems enable flexible material and system selection, guaranteeing both quality and delivery timelines.

Construction Capability

An experienced international engineering team specializes in large-span roof structures and systematic installation, ensuring high-standard, on-time project delivery.

Through an integrated Design–Procurement–Construction (DPC) supply model, PFM delivers stable and reliable turnkey roofing solutions—minimizing risk and reducing overall costs for clients.