Our combination drain is designed in such a way that it can more efficiently remove rainwater from roofs than standard drains.
Combination roof drain and overflow installation.
The patented froet drain is an innovative drain product created to solve the dual drain requirement for overflow protection.
Smith material cast iron color yellow outlet type see options below flange size 8 1 2.
Light commercial cast iron combination roof drain and overflow constructed of a dura coated cast iron body.
Josam 22100 combination roof drain overflow.
Josam 22200 combination roof drain overflow.
With both functions designed into one drain it greatly simplifies the roof drainage design.
In includes two dura coated cast iron dome strainers.
It includes a dura coated cast iron clamp device with an integral gravel guard.
Used on flat roofs of any construction other than poured in place where an emergency overflow drain can be used in combination with a standard roof drain.
Image shows overflow dome off to illustrate overflow.
Z164 12 diameter combination main roof and overflow drain with low silhouette domes and double top set deck plate.
Standard to the roof drain is a cast iron clamp device with an integral gravel guard roof sump receiver and cast iron dome strainer.
The zurn rd2130 combination roof drain and overflow is constructed of a dura coated cast iron body.
Roof drains one piece combination roof drain secondary overflow series rd 250 cast iron combination roof drain overflow with deck flange drain body flashing clamp with integral gravel guard overflow standpipe with membrane clamp self locking cast iron dome and no hub outlets.
The zurn z164 12 diameter roof drain and overflow drain dura coated cast iron bodies with combination membrane flashing clamp gravel guards double top set deck plate and low silhouette cast iron domes.