Siphonic vs Conventional Roof Drainage: 7 Key Differences Before You Decide
When building a factory, warehouse, or multi-storey building, roof drainage rarely gets much attention — until the first heavy rain arrives and water overflows…
Read more →Explore siphonic systems, understand key design considerations, and estimate the initial drainage needs of your roof.
For building owners, MEP consultants, and project teams.
When building a factory, warehouse, or multi-storey building, roof drainage rarely gets much attention — until the first heavy rain arrives and water overflows…
Read more →In Indonesia, the rainy season usually starts to set in around October and peaks a few months later. For factory, warehouse, or multi-storey building…
Read more →Indonesia’s rainy season is a yearly test for the most overlooked part of a building: the roof drainage system. Large factory or commercial roofs…
Read more →Every roof has a different context. Use the resources and calculator to prepare for a discussion with the engineering team.
Explore case studies →Building use, roof layout, location, and discharge routes.
Catchment area, rainfall data, elevations, and project constraints.
Support the estimate with drawings and technical review.
Tell us the location, building type, and project stage.