Roof Sump Overflow

R1200 large sump roof drain.

Roof sump overflow.

There are many different ways to create roof sumps as the following pictures show. As the two above photos show with two drains that the overflow drain can easily become a ponding problem also. R1200 eu large sump roof drain with adjustable extension. 21500 rdg2 roof drain.

Roof drain pans are a fast easy and cost effective solution. The sump however will be a bit unusual being at the end with a vertical overflow. Unless the roof drains are lower than the surrounding roof they will not drain resulting in huge pools of water. You can buy roof drain kits pan and roof drain or just the sump pans only and provide your own roof drains.

21500 q91 roof drain. They sump either the zurn z100 and the frank pattern brand roof drains. R1150 spec combined small sump roof and secondary overflow system with loose set sump receiver. If you are using two drains for your roof drainage the possibility of drains being installed at the wrong elevation doubles.

Green roof drain overflow drain large sump flange. But stranger things have happened. R1200 90 large sump roof drain with side outlet. 21500 rdg3 roof drain.

Buying your own roof drains will save you shipping costs. 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. They will sump the primary and overflow roof drains. Green roof type with perforated standpipe.

Green roof type with stainless steel secured cover. R1200 buv large sump roof drain with fixed extension sump receiver and deck clamp. Each roof drain sump pan has it s own purpose.