Flat Roof Drain Cover

12 1 4 inch od x 6 2 inches high self locking.
Flat roof drain cover. Square drain grate has an open surface area of 28 4 sq. More buying choices 25 96 2 used new offers. Roof drains parts accessories floor drains parts accessories downspout nozzles adaptors couplings fittings backwater valves parts accessories carriers and fixture supports cleanouts access covers flanges parts accessories floor sinks parts accessories fluid controls hydrants interceptors shower drains parts accessories specialty products stainless steel drains value. Most draining systems on flat roofs have a poor design or are not correctly installed.
Twigs seashells and rocks should not be able to get through strainer holes or slots. Aka watts b2kdm 76 00 sale 57 75. Only 10 left in stock order soon. 1 16 of 413 results for flat roof drain plastic oddities prd900p 3 pvc roof drain with plastic dome.
The above sizing data is offered as a guide only. Use the drain grate also known as a drain cover to drain moderate flows from lawns landscaped areas patios walkways and under downspouts. The result is the number of drains needed. It is very critical to position drains for maximum effect.
Get it as soon as thu oct 1. Ferguson is the 1 us plumbing supply company and a top distributor of hvac parts waterworks supplies and mro products. Calculate drains needed. Free shipping by amazon.
There are three types of drain systems on a flat roof. 5 0 out of 5 stars 1. This table is based on zurn s roof drain vertical requirement for horizontal roof areas at various rainfall rates table. And a flow rate of 87 gpm.
Take the roof s total square footage and divide by the total square footage handled by one drain. Replaces most popular 12 inch od drain domes 14 15 inch drain bowl for roof drains. Shop for roof drains at ferguson. Most strainers or domes that cover a drain on flat roofs are poorly designed because they block smaller debris and the strainer becomes clogged preventing any water flow.
These types of objects will cause blockage in drain pipes.