Managing stormwater efficiently is a top priority for commercial and institutional roofing systems. The Zurn Z100F FLOFORCE® High Performance Roof Drain is engineered to deliver superior flow rates, minimize ponding, and ensure long-term reliability under demanding conditions. With its innovative design and durable build, the Z100F offers a next-generation solution for roof drainage needs. This guide outlines its features, benefits, applications, and installation best practices, along with a real-world case study.

Zurn Z100F FLOFORCE Roof Drain

What Is the Zurn Z100F FLOFORCE® Roof Drain?

The Z100F is a high-performance primary roof drain designed for optimal water removal from flat or low-slope roofs. As part of Zurn’s FLOFORCE® series, it features advanced engineering to maximize flow efficiency while maintaining a watertight seal with roofing membranes. Its dome cover prevents debris buildup, ensuring consistent drainage even during heavy storms.

Key Features & Benefits

• High-Performance Flow: FLOFORCE® design allows faster stormwater removal, reducing ponding risk.
• Durable Dome Strainer: Prevents debris from clogging while maintaining water intake capacity.
• Watertight Membrane Seal: Flashing clamp system ensures long-lasting leak protection.
• Engineered Efficiency: Advanced hydraulic design maximizes flow rates for demanding applications.
• Reliable Build: Constructed from corrosion-resistant materials for long-term durability.

Zurn Z100F FLOFORCE Dome Strainer

Applications of the Z100F

• Commercial buildings with expansive flat roofs
• Institutional campuses including hospitals and universities
• Industrial facilities requiring high-capacity drainage
• Warehouses, retail centers, and distribution hubs

Installation Best Practices

For reliable performance, the Z100F should be installed using the following practices:

• Place drains at low points on the roof to capture runoff efficiently.
• Secure flashing clamp tightly to maintain a watertight membrane connection.
• Ensure outlet piping is sized correctly for expected stormwater loads.
• Inspect dome strainers regularly to clear debris and maintain peak flow.
• Perform water testing after installation to verify system functionality.

Zurn Z100F Roof Drain Installation

Case Study: University Campus Upgrade

Challenge: A university campus with several large flat-roof buildings experienced recurring ponding and roof membrane stress during heavy storms. Existing drains lacked the capacity to keep up.

Solution: The facilities team replaced outdated models with Zurn Z100F FLOFORCE® Roof Drains. The advanced hydraulic design and durable dome strainers ensured reliable performance and watertight membrane integration.

Outcome: Ponding was eliminated, roof system life was extended, and maintenance costs decreased significantly. The campus now benefits from consistent stormwater management across all buildings.

Conclusion

The Zurn Z100F FLOFORCE® High Performance Roof Drain is a top-tier solution for commercial, institutional, and industrial roofs. Its advanced hydraulic efficiency, watertight sealing, and durable design make it a reliable choice for projects demanding maximum performance and long-term protection.