Blue Roof Drain

Passive blue roof systems control the rate at which water drains from a rooftop through non mechanical means.

Blue roof drain. The patented blue roof system utilises the roof construction for the attenuation of stormwater releasing it at a controlled rate in the period following the storm. Blue roof design is a sustainable urban drainage system suds that is ideally suited to buildings that take up the entire lot or a major percentage of it. Check dams installed to pond sheet flow to roof drains. Instead of forcing rainwater to flow directly into an underground drainage system surface water is collected and stored and if necessary cleaned before it is used or released back into.

Blue roof systems are an effective practice for controlling runoff from buildings with flat or mildly sloped roof surfaces. Unlike active systems which inhibit water flow through drainage pipes passive systems temporarily detain water on the surface of the roof by lengthening the path the water must take in order to reach outlet drains. Blue roofs also known as controlled flow roof drain systems are detention stormwater management practices smps that provide temporary storage and slow release of rainwater on a rooftop. Blue roof sustainable drainage solution rooftop suds.

The suitability of a blue roof and potential design options for a given building are determined based on various factors including structural capacity roof type and slope local climate and local regulatory requirements. For example the ontario building code o reg. 4 6 1 blue roof introduction.