Rc From Roof Drain

Roof drains from zurn include combination primary overflow control flow dual outlet siphonic retrofit and more which cater from educational to commercial needs.

Rc from roof drain.

Place reversible collar on body and align holes. There are times where a drain basin is not needed but as long as the drain is much lower than the roof surface itself allowing debris to collect around the strainer and water can flow over the debris without causing a big pool around. Cast iron roof drain with 2 in. The above sizing data is offered as a guide only.

What z100 roof drain should be used in an application where there are two waterproofing membranes. The best roof drain is normally one that sits in a basin. The z100 e sc can be used as the lower membrane can be clamped below the secondary clamp collar and holes in the extension will allow water along that membrane to enter the drain body. But this isn t the whole story.

Determine if reversible collar is to be installed in the low 1 1 4 to 2 1 2 or high 2 1 4 to 4 position. This table is based on zurn s roof drain vertical requirement for horizontal roof areas at various rainfall rates table. To size the vertical roof drain for the same parameters 5 000 square feet of room area and 6 per hour of rain consult table 1106 2 figure 3. Drain receiver r recommended option underdeck clamp c recommended option 9 8 7 5 4 3 6 2 position flat gasket on drain body align holes in gasket with holes in body.

Take the roof s total square footage and divide by the total square footage handled by one drain. The upper membrane can be clamped between the top of the. The result is the number of drains needed. This reveals that the minimum size for the leader pipe is 5.

Section 101 5 of the ipc tells us not to reduce the pipe size in the direction of flow. This video illustrates the perfect drain on a roof. Watts drainage products rd 300 r series 4 in. 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.