Flat Roof Drain Cover

Ferguson is the 1 us plumbing supply company and a top distributor of hvac parts waterworks supplies and mro products.

Flat roof drain cover.

It is very critical to position drains for maximum effect. Most draining systems on flat roofs have a poor design or are not correctly installed. 10 inch plastic roof drain dome strainer grate 3 hole yellow portals 67111 10 inch yellow polyethylene drain dome strainer grate. Free shipping by amazon.

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. Those roofs benefit from siphonic drainage systems. Calculate drains needed. This table is based on zurn s roof drain vertical requirement for horizontal roof areas at various rainfall rates table.

Twigs seashells and rocks should not be able to get through strainer holes or slots. 9 1 2 od base x 4 1 4 high with 3 bolt mounting holes. So often we find that inner drains are high on the roof causing water to pool around them. Gravity drainage systems are only recommended for flat or low slope commercial roofs that have a surface area of less than 150m 2 per drainage point.

Get it as soon as thu sep 3. More buying choices 26 62 3 used new offers. Shop for roof drains at ferguson. These types of objects will cause blockage in drain pipes.

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 popular 10 inch plastic strainers domes. Take the roof s total square footage and divide by the total square footage handled by one drain. Only 14 left in stock order soon.

Old style drain strainers. There are three types of drain systems on a flat roof. Larger roofs collect more water that may not drain quickly enough with just a gravity system.