Roof Sump Overflow

Green roof drain overflow drain large sump flange 21500 rdg1 roof drain.

Roof sump overflow.

One mistake that is commonly made with roof sumps is that they are made with extended flat areas. Roof sumps help the roof shed water more effectively and help eliminate the water pond size if the drain was not installed at the correct height. R1150 spec combined small sump roof and secondary overflow system with loose set sump receiver. The roof drain installation video is well done.

The zurn rd2130 combination roof drain and overflow is constructed of a dura coated cast iron body. B a sump with a side overflow device. R1200 90 large sump roof drain with side outlet. Thank you for your video.

Standard to the roof drain is a cast iron clamp device with an integral gravel guard roof sump receiver and cast iron dome strainer. The sump however will be a bit unusual being at the end with a vertical overflow. Green roof type with perforated standpipe 21500 rdg2 roof drain. Overflow roof drain for green roof with adjustable extension ae 1.

The hydraulic capacity of these overflow devices must not be less than the design flow for the associated gutter outlet and must discharge to atmosphere. Ext internal waterguard formerly 26000 ae 17. 21500 q91 roof drain. I just left a flat roof we installed 10 years ago if we would of installed these flush roof drain sump pans then we wouldn t be repairing the drywall ceilings below for the last 4 years.

This free online box gutter calculator will calculate the size of box gutters and sumps with a vertical high capacity overflow in accordance with the australian plumbing code as nzs 3500 3 2003 part 3 storm water drainage. Or c a sump with a high capacity overflow device. Adjustable extension 2 high solid clamping collar. Josam 22100 combination roof drain overflow.

Combination overflow roof drains. The total flow is used to size the sump and overflow. Overflow drain large sump adj. Green roof type with stainless steel secured cover.

Coated cast iron leveleze roof drain large polypropylene locking dome ae 16. R1200 buv large sump roof drain with fixed extension sump receiver and deck clamp. But stranger things have happened. Adjustable ext deck clamp assembly ae 10.

Josam 22200 combination roof drain overflow. R1200 large sump roof drain. All of the above options provide overflow provision to the box gutter. Now to have a nicely tapered roof only to lead to a 3 by 3 flat sump is going to make a white.