Flat Roof Drainage Cover

Flexxpoint 30 year gutter cover system white residential 5 gutter guards 125ft.

Flat roof drainage cover.

Calculate drains needed. Flat roof drains scuppers gutters and drainage systems on flat roofs. Watts drainage products rd 300 r series 4 in. This table is based on zurn s roof drain vertical requirement for horizontal roof areas at various rainfall rates table.

A gravity drainage system on a flat roof differs from the gutter system you find on residential roofs in two key ways. 5 0 out of 5 stars 1. 5 0 out of 5 stars 1. 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.

Connects to the spee d catch basin drain 6 in. Sewer and drain pipe fittings and 6 in. Inner drains gutters or scuppers each have their own function and deciding which system is best depends on. 1 16 of 406 results for flat roof drain plastic oddities prd900p 3 pvc roof drain with plastic dome.

One of the most overlooked items on a flat roof is the draining 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. Single wall corrugated pipe for a soil tight fit. No hub cast iron high volume roof drain with ductile iron dome.

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. The above sizing data is offered as a guide only. Zurn rd2120 ab2 abs main area roof drain 11 7 16 diameter 2 pipe size. More attention should be given to the location of a drainage system to avoid future problems.

Watts drainage products rd 300 r series 6 in. The result is the number of drains needed. Round drain grate also known as a drain cover has an open surface area of 9 1 sq. And a flow rate of 28 gpm.

Take the roof s total square footage and divide by the total square footage handled by one drain. A flat roof may use interior drains to collect water from the centre of the roof.