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The Flexigester Team

Flexigester Systems have been designed and developed by Sustainable OneWorld Technologies C.I.C. (SOWTech) in joint partnership with Butyl Products Ltd who manufacture and distribute the systems. SOWTech are the technical partner and Butyl Products Ltd are the commercial partner.

Butyl Products Ltd

Butyl Products Ltd are manufacturers and international suppliers of specialist liquid storage and distribution equipment and geomembranes.

They have been working with Global Aid Agencies, International Relief Agencies and National Governments since 1965, in emergency/humanitarian aid situations and as part of planned infrastructure development projects. They manufacture a range of supply, storage, treatment and water distribution systems and sanitation equipment including kits especially manufactured for emergency aid use and development.

Sustainable OneWorld Technologies CIC Butyl Products Ltd




Sustainable OneWorld Technologies (SOWTech) is a Community Interest Company established to bring practical solutions to low and middle-income countries and aid and development situations in the field of sanitation and waste management.

With many years experience in organic waste management in both the UK and worldwide they design and develop products and processes with the advantages of western technology but which are practical for use in low and middle-income countries and in aid situations.