Browse companies that make roof drains and view and download their free cad details revit bim files specifications and other content relating to roof drains as well as other product information formated for the architectural community.
Roof drain section.
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.
P 1503 4 1 secondary emergency overflow drains or scuppers.
Design and installation of roof drainage systems shall comply with section 1503 of this code and sections 1106 and 1108 as applicable of the international plumbing code.
Inner drains are resistant to freezing but can require careful maintenance to prevent problems.