How do you drain water from a roof?

Gutters are the most commonly used, and most cost-effective drainage solution for flat roofs. They catch rainwater as it rolls off the edge of the roof and divert the water into a downspout that dispenses it a safe distance from the foundation of the building.

Where are roof drains located?

In general, roof drains are spaced equally and are located in low points of the roof or in any areas where water accumulates.

What is a roof scupper drain?

Scuppers are used to provide an outlet through parapet walls or gravel stops on flat and built-up roofs to allow drainage of excess water. They can be used in conjunction with gutters and downspouts to divert the flow to the desired location.

How does drainage work on a flat roof?

These are drains connected to pipes underneath the roof, positioned in central areas. They drain the water from the roof and carry it directly to the sewer, through internal pipework in your building. The advantages of internal drains include: being able to install them in useful positions to prevent water build up.

Do flat roofs leak more?

Why is a Flat Roof More Likely to Leak? The main reason that flat roofs are more likely to leak is that they are less able to shed water. In other words, they do not allow elements like water to slide off them as easily as steeply sloped roofs do... This is why they are also known as low slope roofs.

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