Small Area Roof Drain
The 8-3/8" Diameter Cast iron Small Area Roof Drain is constructed if a Dura-Coated cast iron body. Standard to the roof drain is a cast iron clamp device with an integral gravel guard and a polyethylene dome strainer.
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Q:How does mount onto the roof decking? Does the filter cone mount on top of the rolled rubber?
A:The steel drain body is two parts.
A:You can go to Zern's website to see the install diagram.