IAPMO IGC 263-2013e1 (R2020) Roof Drain Terminal Outlets
Description
1 Scope
1.1 This Standard covers roof drain terminal outlets used for connecting roof drain downspouts in sizes NPS‐2 to NPS‐12, and specifies requirements for materials, physical characteristics, performance testing, and markings. Roof drain terminal outlets covered in this Standard are intended for residential, commercial, and industrial applications.
