About

Scope

Standardization of all geosynthetic products including geotextlles, geomembranes, geocomposite clay liners and other geosynthetic related products.

Quick links

36

published ISO standards *

under the direct responsibility of ISO/TC 221

27

ISO standards under development *

under the direct responsibility of ISO/TC 221

29

Participating members

16

Observing members

* number includes updates

Reference Title Type
ISO/TC 221/WG 2 Terminology, identification and sampling Working group
ISO/TC 221/WG 3 Mechanical properties Working group
ISO/TC 221/WG 4 Hydraulic properties Working group
ISO/TC 221/WG 5 Durability Working group
ISO/TC 221/WG 6 Design using geosynthetics Working group
Liaison Committees to ISO/TC 221

The committees below can access the documents of ISO/TC 221 :

Reference Title ISO/IEC
ISO/TC 98 Bases for design of structures ISO
Organizations in liaison (Category A and B)
Acronym Title Category
IGS IGS - International Geosynthetics Society A

ISO/TC 221 - Secretariat

BSI United Kingdom
British Standards Institution
389 Chiswick High Road
London
W4 4AL
United Kingdom

Tel: +44 208 996 90 00
Fax: +44 208 996 74 00

Secretariat direct:
Mr David Hyde
Tel: +44 208 996 72 28
Fax: +44 20 89 96 77 99