Flat Roof Drainage Cover

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

Flat roof drainage cover.

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. More attention should be given to the location of a drainage system to avoid future problems. Connects to the spee d catch basin drain 6 in. The pipe grate is ada compliant and heel proof.

A gravity drainage system on a flat roof differs from the gutter system you find on residential roofs in two key ways. Watts drainage products rd 300 r series 4 in. Zurn rd2120 ab2 abs main area roof drain 11 7 16 diameter 2 pipe size. 5 0 out of 5 stars 1.

Single wall corrugated pipe for a soil tight fit. This video explains the principle of a drain basin. Flexxpoint 30 year gutter cover system white residential 5 gutter guards 125ft. 5 0 out of 5 stars 1.

And a flow rate of 28 gpm. Flat roof drains scuppers gutters and drainage systems on flat roofs. A flat roof may use interior drains to collect water from the centre of the roof. Watts drainage products rd 300 r series 6 in.

No hub cast iron high volume roof drain with ductile iron dome. Round drain grate also known as a drain cover has an open surface area of 9 1 sq. The result is the number of drains needed. Calculate drains needed.

One of the most overlooked items on a flat roof is the draining system. If appropriately designed a strainer or leaf filter is supposed to keep larger objects from going down a drain while allowing smaller debris through with the water flow 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. Cast iron roof drain with 2 in. The above sizing data is offered as a guide only.

These drains are like the drain at the bottom of your shower except that the roof drain has a larger strainer to protect it from debris. Take the roof s total square footage and divide by the total square footage handled by one drain.