Flat Roof Drain Cover

Old style drain strainers.

Flat roof drain cover. These types of objects will cause blockage in drain pipes. More buying choices 26 62 3 used new offers. Take the roof s total square footage and divide by the total square footage handled by one drain. Shop for roof drains at ferguson.

1 16 of 376 results for flat roof drain plastic oddities prd900p 3 pvc roof drain with plastic dome. It is very critical to position drains for maximum effect. Free shipping by amazon. Larger roofs collect more water that may not drain quickly enough with just a gravity system.

So often we find that inner drains are high on the roof causing water to pool around them. Twigs seashells and rocks should not be able to get through strainer holes or slots. 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.

The above sizing data is offered as a guide only. Calculate drains needed. 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.

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 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. 9 1 2 od base x 4 1 4 high with 3 bolt mounting holes.

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. This table is based on zurn s roof drain vertical requirement for horizontal roof areas at various rainfall rates table.