20.99 WD approved for registration as CD Oct 23, 2026
ISO
ISO/TC 138/SC 1 Plastics pipes and fittings for soil, waste and drainage (including land drainage)
International Standard
ISO 13255:2010 specifies a method for testing the airtightness of joints of thermoplastics piping systems for soil and waste discharge inside buildings.
PUBLISHED
ISO 13255:2010
IN_DEVELOPMENT
ISO/WD 13255
20.99
WD approved for registration as CD
Oct 23, 2026