Roof Drains For Flat Roofs

Inner drains are resistant to freezing but can require careful maintenance to prevent problems.

Roof drains for flat roofs.

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. Of course the best designed flat roof has the correct amount of pitch to drain the water off naturally. The drain runs through the building and connects to a storm drain or in some communities where it is still allowed to the sewer system. Each of these systems has its own pros and cons.

Scuppers are the most effective drainage solution for flat roofs. The positioning design and installation of a drainage system are one of the most important factors to have a relatively low maintenance roof. So often we find that inner drains are high on the roof causing water to pool around them. Interior drains on flat roofs are commonly used in urban areas.

Roof drains on flat roofs are one of the most problematic objects. The main benefit of inner drains is that the system is hidden from view. There are roof coating products available if there isn t enough slant or slope to accomplish this. Most draining systems on flat roofs have a poor design or are not correctly installed.

There are three types of drain systems on a flat roof. It is very critical to position drains for maximum effect. A major maintenance issue shared between all types of roof drains is debris removal.