Combination Roof Drain And Overflow Installation

Josam 22100 combination roof drain overflow.

Combination roof drain and overflow installation. Light commercial cast iron combination roof drain and overflow constructed of a dura coated cast iron body. 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. Smith carefully designs and manufactures a full line of roof drains deck drains scupper drains promenade and parking area drains and more to satisfy both the artistic eye of the architect and the calculating mind of the engineer. Our combination drain is designed in such a way that it can more efficiently remove rainwater from roofs than standard drains.

Z164 12 diameter combination main roof and overflow drain with low silhouette domes and double top set deck plate. The patented froet drain is an innovative drain product created to solve the dual drain requirement for overflow protection. 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. In includes two dura coated cast iron dome strainers.

Josam 22200 combination roof drain overflow. Josam 22500 combination roof drain overflow. It includes a dura coated cast iron clamp device with an integral gravel guard. Smith material cast iron color yellow outlet type see options below flange size 8 1 2.

Image shows overflow dome off to illustrate overflow. 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. With both functions designed into one drain it greatly simplifies the roof drainage design.