Green Roof Drain Pipe

Pipe brush to unclog roof drain.

Green roof drain pipe.

The first step in sizing a roof drain is to calculate the surface area of the roof that the drains will be covering as well as the average hourly rainfall rate at the building location. The next step is to determine each roof area that will be served by a separate leader drain pipe scupper or downspout. Intensive layered green roof intensive green roofs have a deeper soil depth therefore the roof drain enclosure height is typically 12 or more. Z110 green roof drains are available with enclosure heights ranging from 5 to 18 or as specified.

They are pre assembled drain cores with root resistant filter fabric attached to top layer. Pipe brush is a long brush which is designed for cleaning out the drain in the roof from top. It is pvc but a lighter weight than white schedule 40 dwv drain waste vent pipe. Run the pipe brush down the drain after unscrewing the cap.

The root resistant filter fabric prevents fine particles from being washed out and prevents roots from becoming saturated and affecting the efficiency of the drain layer. Install a french drain one of the top yard drainage solutions to divert water away from problem areas. Keep pushing the brush till the clog and the stagnated water flushes down out of the outlet pipe. It is manufactured to be compliant with astm d 3034 standard and is often referred to as 3034 pipe.

Water pooling in a yard can kill grass attract mosquitoes and create mud patches. J drain grs 400 rb is our most popular drain products under planted areas on greenroofs. It is a very simple process.