Flat Roof Drain Cover

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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. 12 inch cast aluminum drain dome strainer. More buying choices 25 96 2 used new offers. This table is based on zurn s roof drain vertical requirement for horizontal roof areas at various rainfall rates table.

Most draining systems on flat roofs have a poor design or are not correctly installed. Only 10 left in stock order soon. The result is the number of drains needed. Aka watts b2kdm 76 00 sale 57 75.

It is very critical to position drains for maximum effect. So often we find that inner drains are high on the roof causing water to pool around them. Check to see if you are within this store s delivery area. Shop for roof drains at ferguson.

Old style drain strainers. There are three types of drain systems on a flat roof. 5 0 out of 5 stars 1. 12 1 4 inch od x 6 2 inches high self locking.

The above sizing data is offered as a guide only. Check if ace delivers to my address. Square drain grate has an open surface area of 28 4 sq. 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. Ferguson is the 1 us plumbing supply company and a top distributor of hvac parts waterworks supplies and mro products. And a flow rate of 87 gpm. Ace rewards members are eligible to receive free delivery on orders of 50 or more.

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. Delivery distance varies by store. Take the roof s total square footage and divide by the total square footage handled by one drain.

Free shipping by amazon. Calculate drains needed.