Also used as a secondary drain emergency overflow draining water when the depth of the water on the roof exceeds the water dam height.
Roof sump with overflow revit.
Rd2150 replacement roof drain.
As the two above photos show with two drains that the overflow drain can easily become a ponding problem also.
Options and variations common roof drain accessories.
Used in flat roofs of any construction where a constant height of water is required.
There are many different ways to create roof sumps as the following pictures show.
23500 roof drain large sump with 14in square promenade top.
Roof drain overflow.
Z101 high capacity 20 diameter main roof drain.
Complete roof drain.
Acid neutralization tanks beeco fixture carriers.
22010 roof drain medium sump.
22080 roof drain small sump.
Roof floor and paving drainage systems.
22200 combination roof drain overflow medium sump.
Control flo roof drainage system.
Roof floor and paving drainage systems.
Combined large sump roof drain with secondary overflow.
Combined large sump siphonic roof drain with secondary overflow drain.
Enamel coated cast iron body gravel guard and dome strainer.
For additional information on sizing and other specifications simply download the submittal sheets located underneath each product.
22500 combination roof drain overflow large sump.
Combination main overflow drain commercial construction commercial multi family thin wall construction.
Scupper drain with angle grate and 90 degree outlet.
Below you can find the different roof drains that wade us offers.
This drain can be used near to main primary drain for limited space installations.
21500 roof drain large sump.
Top set drain deck plate and deck riser installation instructions.
Install drain and overflow fixtures side by side using one sump receiver.
22100 combination roof drain.
Csi masterformat 2014 title.
Control flo roof drainage system canadian.