Zurn makes it easy to size roof drains. The four things you will need to know are: 1) rate of precipitation; 2) total area of roof; 3) size of leader required; and 4) area handled by each drain.
Roof Drains, Vent, Retrofit, Siphonic Drainage Systems - Zurn
Protect your building from water damage with Zurn's roof drains. Explore our range and ensure effective drainage today. Roof drains from Zurn include combination-primary overflow, control flow, dual outlet, siphonic, retrofit and more.
RD2130 - Combination Roof Drain and OverFlow - Zurn
The Zurn RD2130 combination roof drain and overflow is constructed of a Dura-Coated cast iron body. Standard to the roof drain is a cast iron clamp device with an integral gravel guard, roof sump receiver, and cast iron dome strainer.
| Series 21500 | CAD Drawings | Josam
21500 Series coated cast iron Roof Drain, large polypropylene locking dome, WEJLOC non-puncturing clamp ring with integral gravel stop, large sump with wide roof flange and bottom outlet. Used on roofs of any size and any type of construction.
properly designed roof drain must have the following features: • Pleasing dome shape with a low profile and adequate free drainage area • Corrosion-resisting dome material • Effective debris protection • Overflow drainage to allow drainage during debris build-up • Gravel stop • Positive Flashing Clamp • Seepage control channels
Roof Drain Installation Instructions
Here are the Zurn brand roof drain installation instructions and spec sheets for the most commonly used residential and commercial roof drains. The cut sheets shown include the accessories that make a complete installation and are recommended by the manufacturer.
Tech Specialties Cast Iron Combination Roof Drain with overflow drain and flashing area in one unit. For use on flat built-up roof sys-tems, where water can collect to facilitate wa-ter drainage. Drain unit consists of cast iron main body, flashing rings, leaf guard and strainer domes. Flashing ring secured to main body with stainless steel ...
Zurn RD-2130 Combination Roof Drain - Custom Roof Drain Pans
The Zurn roof drain and overflow includes the primary and secondary or overflow roof drain in a convenient one piece base. Both roof drains are bottom outlets and the model numbers are RD2130-2″, 3″ and 4″. FEATURES: Both roof drains have 8-1/2″ diameter bowls and they are available in 2″ through 4″ pipe outlets.
STEP 1: Refer to local code requirements for roof drain and overflow size/location. Roof drains shall be installed only in areas where waterproofing material is utilized. Be sure roof deck is structurally sound and will support drain fixture. STEP 2: Remove dome strainers, hardware, and clamping collars.
Zurn Z100-89 Overflow Roof Drain – 15″ diameter
The Zurn Z100-89 overflow roof drain has: 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.
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