




Overflow Roof Drain - Zurn 100C
The Overflow Roof Drain is engineered to provide secondary drainage protection during heavy storms. Constructed from durable cast iron with a corrosion-resistant finish, it withstands years of exposure while maintaining peak performance. A flashing clamp secures the roofing membrane for waterproof protection, while the optional dome strainer prevents debris from blocking water flow. With multiple connection types and accessory options, this drain is a reliable safeguard for roof systems requiring backup drainage capacity.
Key Highlights:
- Provides essential secondary drainage during heavy rainfall
- Robust cast iron body with corrosion-resistant finish
- Flashing clamp ensures watertight roofing connections
- Available with dome or flat strainer to prevent debris entry
- Adaptable with a variety of outlet types and accessories

Downloads:
Original: $0.02
-50%$0.02
$0.01Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Overflow Roof Drain is engineered to provide secondary drainage protection during heavy storms. Constructed from durable cast iron with a corrosion-resistant finish, it withstands years of exposure while maintaining peak performance. A flashing clamp secures the roofing membrane for waterproof protection, while the optional dome strainer prevents debris from blocking water flow. With multiple connection types and accessory options, this drain is a reliable safeguard for roof systems requiring backup drainage capacity.
Key Highlights:
- Provides essential secondary drainage during heavy rainfall
- Robust cast iron body with corrosion-resistant finish
- Flashing clamp ensures watertight roofing connections
- Available with dome or flat strainer to prevent debris entry
- Adaptable with a variety of outlet types and accessories

Downloads:






















