As our main article mentions, scupper drains funnel water off flat roofs to prevent immediate or long-term damage due to ponding water. This article will further discuss box scuppers’ uses, installation, and maintenance. What Are Box Scuppers? Box scuppers are closed or open metal boxes that drain water through the curbs or parapets on the […]
Category Archives: Scupper drains
How Overflow Scuppers Save Flat Roofs from Collapse
Photo source: www.reddit.com/r/CrappyDesign The primary drainage system of a flat roof can fail due to debris clogging it or because it can’t withstand an intense downpour. Whatever the reason, water will pool, which can collapse your roof. Because of this, secondary (emergency overflow) scuppers are required by the IPC (International Plumbing Code) and IBC (International […]
The Role of Scupper Drains in Keeping Water Ponds Off Your Flat Roof
Photo source: www.wncroofing.com Engineers design roof drainage systems based on rainfall statistics. The ASCE (American Society of Civil Engineers) and IPC (International Plumbing Code) consider a 100-year rainfall (a rare and intense rainfall event with a 1% probability of occurring in any given year) measured during 15 to 60 minutes. However, historical data has taught […]