Deck drains play a vital role in protecting plazas, terraces, and roof decks from stormwater buildup. The Zurn Z108 15" Diameter Deck Drain is specifically designed to handle larger volumes of water while integrating seamlessly into architectural surfaces. Built for performance, durability, and ease of maintenance, the Z108 offers a dependable solution for demanding projects. This blog explores its features, applications, installation tips, and a case study that shows its value in action.

Zurn Z108 Schematic

What Is the Zurn Z108?

The Z108 is a 15-inch diameter deck drain designed to integrate into flat surfaces such as plazas, roof decks, and terraces. With its large intake area, it manages heavy rainfall efficiently, preventing pooling and structural stress. Its robust construction ensures long-term reliability while maintaining a flush, unobtrusive appearance that blends with architectural finishes.

Key Features & Benefits

• Large 15" Diameter: Provides high-capacity drainage for heavy stormwater loads.
• Flush Integration: Sits level with deck finishes, maintaining aesthetics and safety.
• Durable Construction: Built to resist corrosion, weathering, and wear over time.
• Debris Protection: Works with strainer options to minimize clogging.
• Versatility: Suitable for plazas, terraces, balconies, and large decked areas.

Zurn Brand Quality

Applications of the Z108

• Urban plazas and rooftop terraces
• Balconies on high-rise buildings
• Commercial roof decks and courtyards
• Public spaces requiring high-capacity drainage

Installation Best Practices

Proper installation ensures the Z108 performs to its full potential:

• Install drains at deck low points where water naturally collects.
• Integrate with waterproofing membranes using proper flashing techniques.
• Confirm outlet piping is correctly sized to manage expected stormwater volume.
• Inspect strainers or covers regularly to remove debris.
• Perform flow tests post-installation to confirm drainage efficiency.

Zurn Z108 Installation Schematic

Case Study: City Plaza Retrofit

Challenge: A metropolitan plaza suffered from recurring ponding and slip hazards during heavy rains. The existing drainage system could not manage the volume of runoff.

Solution: Engineers specified Zurn Z108 Deck Drains at strategic collection points. The larger diameter provided the intake capacity required for storm events, while the flush design preserved the plaza’s aesthetics.

Outcome: Following installation, stormwater drained efficiently even during peak rainfall. Maintenance crews reported significantly fewer complaints and reduced upkeep costs, while the plaza remained safe and visually appealing.

Conclusion

The Zurn Z108 15" Diameter Deck Drain is a high-capacity, durable solution for plazas, decks, and terraces exposed to heavy stormwater. Its large intake design, flush integration, and long-term durability make it a preferred choice for commercial and public projects seeking reliable drainage.