Inner drains are resistant to freezing but can require careful maintenance to prevent problems.
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.
A major maintenance issue shared between all types of roof drains is debris removal.
So often we find that inner drains are high on the roof causing water to pool around them.
The main benefit of inner drains is that the system is hidden from view.
Scuppers are the most effective drainage solution for flat roofs.
There are three types of drain systems on a flat roof.
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.
Interior drains on flat roofs are commonly used in urban areas.
Roof drains on flat roofs are one of the most problematic objects.
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.
There are roof coating products available if there isn t enough slant or slope to accomplish this.
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.
The average flat roof does not have an optimized draining system.
There are three types of drain systems commonly used on flat roofs.
Each of these systems has its own pros and cons.