Flat Roof Drain Cover

And a flow rate of 87 gpm.

Flat roof drain cover.

Use the drain grate also known as a drain cover to drain moderate flows from lawns landscaped areas patios walkways and under downspouts. Take the roof s total square footage and divide by the total square footage handled by one drain. Twigs seashells and rocks should not be able to get through strainer holes or slots. Most draining systems on flat roofs have a poor design or are not correctly installed.

Old style drain strainers. Square drain grate has an open surface area of 28 4 sq. The above sizing data is offered as a guide only. Only 10 left in stock order soon.

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. The result is the number of drains needed. These types of objects will cause blockage in drain pipes. Calculate drains needed.

12 1 4 inch od x 6 2 inches high self locking. There are three types of drain systems on a flat roof. This table is based on zurn s roof drain vertical requirement for horizontal roof areas at various rainfall rates table. It is very critical to position drains for maximum effect.

1 16 of 413 results for flat roof drain plastic oddities prd900p 3 pvc roof drain with plastic dome. 5 0 out of 5 stars 1. 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. Replaces most popular 12 inch od drain domes 14 15 inch drain bowl for roof drains.

So often we find that inner drains are high on the roof causing water to pool around them. Ferguson is the 1 us plumbing supply company and a top distributor of hvac parts waterworks supplies and mro products. Get it as soon as thu oct 1. Free shipping by amazon.

12 inch cast aluminum drain dome strainer.