Saint Petersburg – Florida
United States
Rising Stronger: A New PTFE Tensile Roof for Tropicana Field
About
Home to the Tampa Bay Rays, Tropicana Field stands as one of the most recognizable stadiums in Major League Baseball. In 2024, the venue faced a critical challenge when Hurricane Milton caused significant damage to its existing roof, necessitating a large-scale and time-sensitive replacement.
Restoring an MLB Stadium Under Urgent Conditions
The multi-million-dollar retrofit demanded not only speed, but absolute precision requiring a solution that could seamlessly integrate with the existing structure while meeting rigorous safety and performance standards. Following several months of evaluation, the City of St. Petersburg and the Rays organization committed to a permanent, high-performance replacement—one that would allow the team to return for Opening Day in April 2026.
While projects of this scale typically take up to three years, this effort was executed on a highly compressed timeline, requiring rapid coordination across design, manufacturing, and construction teams. To meet these demands, Serge Ferrari Group supplied its high-performance Tenseo Xtrem GF 7000 membrane, helping to restore and reinforce one of the stadium’s most essential structural components.
Engineering a High-Performance Roof System
The replacement project called for the fabrication and installation of 24 massive roof panels, each weighing approximately 5,000 pounds and measuring nearly 330 feet in length. Manufactured using specialized fiberglass yarns and advanced PTFE coating, the Tenseo Xtrem GF 7000 membrane was produced at Serge Ferrari Group’s facility in Germany before being shipped to Enclos Tensile Structures for fabrication and assembly.
The material is engineered through a multi-step process in which fiberglass yarns are woven into fabric, coated with PTFE, and sealed with a fluorinated ethylene propylene (FEP) layer. This advanced coating system enhances durability, waterproofing, and long-term aesthetic performance, while its smooth surface allows rainwater to naturally wash away dirt over time.
Designed to withstand the challenges of a large-span stadium roof, the membrane delivers exceptional strength, dimensional stability, and resistance to extreme weather conditions. With an expected service life exceeding 20 years, the solution ensures long-term performance while minimizing maintenance demands.
Meeting Complex Retrofit Challenges Through Collaboration
Close collaboration between Serge Ferrari Group, Geiger Engineers, and Enclos Tensile Structures (ETS) was critical throughout the process. From material production to fabrication and installation, each phase required careful coordination to meet tight timelines and exacting specifications. In total, approximately 45,000 square meters of composite membrane material were produced and delivered within an accelerated timeframe.
Precision Installation at Scale
Installing the new roof panels required a highly coordinated and safety-driven approach. ETS crews utilized both interior and exterior cranes to hoist the PTFE panels into position, carefully pulling them across the stadium structure using rope winches in a synchronized sequence. Each panel was then secured, tensioned, and finished using specialized clamping and rigging systems.
To ensure structural balance, two installation crews worked simultaneously on opposite sides of the roof. A custom-engineered platform netting system and horizontal lifelines provided safe access for workers operating at significant heights. Each panel installation took approximately six to seven days, with environmental factors such as wind, rain, and lightning closely monitored to maintain safety and precision.
Final installation steps included the application of permanent aluminum clamping systems and waterproof closures, completed with heat-welded seams to ensure long-term performance and weather resistance.
This project required an extraordinary level of coordination, precision, and adaptability from every partner involved. From hoisting and positioning massive PTFE panels to carefully managing wind and weather conditions during installation, every step demanded meticulous planning and execution. The performance of the material and the collaboration between teams allowed us to deliver a roof system that not only meets the schedule but ensures long-term durability and safety for the stadium.
A Resilient Solution for a Demanding Environment
In hurricane-prone regions like Florida, a stadium roof serves as the first line of defense against extreme weather. The Tenseo Xtrem GF 7000 membrane was selected not only for its proven performance in large-scale stadium applications worldwide, but also for its rapid deployability in response to urgent infrastructure needs.
While visually similar to the original dome, the new roof represents a fully modernized system engineered to meet evolving climate conditions, including stronger winds, more severe storms, and updated safety standards. Its advanced material composition enhances resistance to wind, moisture, and environmental stress, providing a durable and reliable solution for a high-profile venue that must perform under pressure.
Strengthening a Community Asset for the Future
Beyond restoring a damaged structure, the project reinforces the long-term resilience of a major community asset, ensuring a safer, more durable environment for players, fans, and the surrounding region. By delivering a high-performance membrane system under demanding conditions, Serge Ferrari Group has positioned Tropicana Field for continued success, demonstrating the critical role of advanced materials in modern stadium design and rehabilitation.
List of Contributors
- Architecture & Engineering Firm : Geiger Engineers
- Fabricator: Enclos Tensile Structures
- Owner/Client: City of St. Petersburg / Tampa Bay Rays
