Roof Drains For Flat Roofs Detail

Roof drains on flat roofs are one of the most problematic objects.

Roof drains for flat roofs detail.

One of the most overlooked. These drains are like the drain at the bottom of your shower except that the roof drain has a larger strainer to protect it from debris. A flat roof may use interior drains to collect water from the centre of the roof. The main benefit of inner drains is that the system is hidden from view.

Inner roof drains are used on flat roofs and include a low section or channel that collects water and feeds it into a concealed drain that leads to an underground drainage system. A major maintenance issue shared between all types of roof drains is debris removal. Each of these systems can become clogged by debris. The positioning design and installation of a drainage system are one of the most important factors to have a relatively low maintenance roof.

With this system large square openings are made along the edge of the roof that shoot the water away from the side of the building. This may include dirt gravel leaves and other foreign materials. The average flat roof does not have an optimized draining system. A drain that is placed inside a basin makes for the most practical design the next video shows a quick way to tie an existing drain to a new roof.

Scuppers are the most effective drainage solution for flat roofs. Rain gutters are the most common drain system in use for all types of roofs. Inner drains are resistant to freezing but can require careful maintenance to prevent problems.