The Zurn Z100 15" diameter roof drain has a Dura-Coated cast iron body with combination membrane flashing clamp/gravel guard and low silhouette Poly-Dome. High Performance, Next Generation Model Now Available: Z100F. You want to …

Z100F FloForce parabolic design promotes laminar flow and allows for most efficient water evacuation off the roof at lower head depths. Unique dome and gravel guard design increase open area to maximize water while limiting debris.

15" [381mm] Diameter roof drain. Dura-Coated cast iron body with combination membrane flashing clamp/gravel guard and low silhouette Poly-Dome.

Dura-Coated cast iron body with combination membrane flashing clamp/gravel guard and Poly-Dome.

Z100 15" Diameter Zurn Main Roof Drains, 2-8", with variable outlet types.

Prevent mold and damage from excess weight on your roof with this Zurn Elkay Z100-4NL 15" cast iron roof drain! This drain comes equipped with a 15" round low silhouette poly dome that gives rain and melted snow or ice room to flow freely into your drainage system while keeping out leaves and other debris.

Z100F FloForce parabolic design promotes laminar flow and allows for most efficient water evacuation off the roof at lower head depths. Unique dome and gravel guard design increase open area to maximize water while limiting debris. FLOFORCE takes performance to the extreme.

Prevent mold and damage from excess weight on your roof with this Zurn Elkay Z100-C(6-8)-ASSY 15" adjustable cast iron roof drain! Its rugged cast iron body helps ensure long lasting durability. The outlet can be adjusted to accommodate 6" - 8" pipes, while hardware is conveniently included for a simple installation.

Zurn Z100-89 Overflow Roof Drain. A 15″ diameter (flange to flange), 2″ high water dam. 2″ – 8″ pipe size with a no-hub connection, protective gravel stop/membrane clamp, corrosion resistant Duco coating, 6″ high cast iron dome. All components are 100% cast iron. The Zurn Z100-89 Overflow Roof Drain detail