Flat Roof Drain Cover

Calculate drains needed.

Flat roof drain cover.

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. There are three types of drain systems on a flat roof. Shop for roof drains at ferguson. Free shipping by amazon.

Larger roofs collect more water that may not drain quickly enough with just a gravity system. 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. It is very critical to position drains for maximum effect. The above sizing data is offered as a guide only.

Those roofs benefit from siphonic drainage systems. Ferguson is the 1 us plumbing supply company and a top distributor of hvac parts waterworks supplies and mro products. Old style drain strainers. These types of objects will cause blockage in drain pipes.

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. 1 16 of 376 results for flat roof drain plastic oddities prd900p 3 pvc roof drain with plastic dome. So often we find that inner drains are high on the roof causing water to pool around them.

The result is the number of drains needed. 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. This table is based on zurn s roof drain vertical requirement for horizontal roof areas at various rainfall rates table. Replaces popular 10 inch plastic strainers domes.

10 inch plastic roof drain dome strainer grate 3 hole yellow portals 67111 10 inch yellow polyethylene drain dome strainer grate. Most draining systems on flat roofs have a poor design or are not correctly installed. Only 14 left in stock order soon.