Fortress Evolution Stair Tray

The Fortress Evolution Stair Tray is a precision-designed structural solution built to integrate seamlessly with the Fortress Steel Frame decking system, providing a durable, reliable base for stair treads. Engineered for strength and ease of installation, this stair tray helps simplify stair construction while ensuring a consistent, professional-grade outcome. Made from heavy-duty, weather-resistant materials, the Evolution Stair Tray delivers exceptional long-term performance in outdoor environments. Its rigid, modular design supports a variety of decking surfaces — including wood, composite, and tile — while promoting proper drainage and airflow to minimize water buildup and protect your deck structure. The stair tray system attaches securely to Fortress Steel Frame components, creating a stable platform for stair treads and eliminating the need for complex framing techniques. By providing precise spacing and alignment, it helps ensure each step is uniform and structurally sound, making both DIY and professional installations faster and more accurate.