IRC2024R903.4.1

Secondary (Emergency Overflow) Drains or Scuppers

Original source

Plain-English Explanation

Section R903.4.1 covers secondary (emergency overflow) drains or scuppers. This requirement ensures your roof assembly is installed correctly and meets minimum performance standards for your jurisdiction. Verify specific requirements with your local building department.

For the Contractor

Per IRC R903.4.1 (Secondary (Emergency Overflow) Drains or Scuppers): follow manufacturer installation instructions and verify compliance with local amendments. Document installation with photos for inspection readiness.