So often we find that inner drains are high on the roof causing water to pool around them.
Roof drains 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.
There are roof coating products available if there isn t enough slant or slope to accomplish this.
Inner drains are resistant to freezing but can require careful maintenance to prevent problems.
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.
A major maintenance issue shared between all types of roof drains is debris removal.
The main benefit of inner drains is that the system is hidden from view.
There are three types of drain systems on a flat roof.
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.
Interior drains on flat roofs are commonly used in urban areas.
Most draining systems on flat roofs have a poor design or are not correctly installed.
The average flat roof does not have an optimized draining system.
It is very critical to position drains for maximum effect.
Scuppers are the most effective drainage solution for flat roofs.
Of course the best designed flat roof has the correct amount of pitch to drain the water off naturally.
There are three types of drain systems commonly used on flat roofs.