Zurn Z100 15" Diameter Main Roof Drain with Low Silhouette Dome.
The Zurn Z100 Roof Drain is a durable, heavy-duty solution designed for commercial and industrial roofing applications. Featuring a 15" (381 mm) diameter body with a low silhouette dome, this drain ensures reliable performance and efficient water removal while maintaining a clean, flush appearance on flat or low-slope roofs.
Constructed with a Dura-Coated cast iron body, the Z100 provides long-lasting protection against wear and corrosion. The combination membrane flashing clamp and gravel guard ensure secure installation and dependable drainage in even the most demanding conditions.
Features & Benefits
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15" (381 mm) large diameter roof drain for maximum flow capacity
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Heavy-duty Dura-Coated cast iron body for strength and corrosion resistance
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Low silhouette dome design reduces rooftop obstructions
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Multiple dome material options: Poly-Dome, Aluminum, Cast Iron, or Bronze
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Combination flashing clamp and gravel guard for secure installation
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Flexible outlet options: Inside Caulk, Threaded, No-Hub, or Neo-Loc
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Designed for long-term commercial and industrial roof applications
Available Options
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Prefixes / Dome Material:
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Z: Cast Iron Body with Poly-Dome
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ZA: Cast Iron Body with Aluminum Dome
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ZC: Cast Iron Body with Cast Iron Dome
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ZRB: Cast Iron Body with Bronze Dome
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Outlet Types:
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IC: Inside Caulk
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IP: Threaded
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NH: No-Hub
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NL: Neo-Loc
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Pipe Sizes: 2", 3", 4", 6", or 8" (depending on outlet type)
Specifications
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Body Diameter: 15" (381 mm)
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Body Material: Dura-Coated Cast Iron
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Dome Material Options: Poly, Aluminum, Cast Iron, or Bronze
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Body Height: 3 ¾" to 5 ¼" (depending on outlet type)
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Applications: Commercial, industrial, and institutional roofing systems
Installation Tips
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Ensure the correct outlet type is selected for your piping system.
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Use proper sealants and flashing membranes to maintain a watertight installation.
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For optimal performance, install at the lowest drainage point on the roof surface.
FAQs
Q: What size roof drains are available in the Z100 series?
A: The Z100 is available in 2", 3", 4", 6", and 8" outlet sizes depending on the connection type.
Q: Can I choose a different dome material?
A: Yes. The Z100 offers options in Poly-Dome, Aluminum, Cast Iron, or Bronze domes to suit your project requirements.
Q: Is this roof drain suitable for commercial applications?
A: Yes. The Z100 is engineered for heavy-duty commercial and industrial roofing systems.
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