Rc From Roof Drain

Take the roof s total square footage and divide by the total square footage handled by one drain.

Rc from roof drain.

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. This reveals that the minimum size for the leader pipe is 5. This video illustrates the perfect drain on a roof. Place reversible collar on body and align holes.

The result is the number of drains needed. 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. What z100 roof drain should be used in an application where there are two waterproofing membranes. 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.

This table is based on zurn s roof drain vertical requirement for horizontal roof areas at various rainfall rates table. The above sizing data is offered as a guide only. Drains roof waterproofing systems accepted materials for a roofstar guarantee the tables and products shown below provide basic material data and links to more information about the materials including manufacturers published technical data sheets but this information is not intended for use as a comparison of material performance or quality. The upper membrane can be clamped between the top of the.

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. 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. Section 101 5 of the ipc tells us not to reduce the pipe size in the direction of flow. 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.

But this isn t the whole story. Roof drains from zurn include combination primary overflow control flow dual outlet siphonic retrofit and more which cater from educational to commercial needs. Cast iron roof drain with 2 in. Watts drainage products rd 300 r series 4 in.