GAST, founded in 1961 had its roots in the chemical industry. This included specialist chemicals for the cosmetic and industrial markets including coatings and waterproofing compounds. The Gast family, originally of Prussian descent began spreading their wings shortly before the Second World War afar a field as the USA and Africa.

Lambertus Gast, who originally emigrated had a passion for what he termed “simple engineering truth“. This principle was instilled and today lives on within the Gast lineage. In the early 1980 GAST patented the first dam lining which at the time relied on a technology which GAST had perfected, which  made the “plasticization“ of soil possible for the first time in the world. Research time specializing in polymer & plasticizer technologies resulted in various additional technologies being developed for the coatings , mining, waterproofing and dam lining industries. 

In 1983 the second eldest son of Peter Solomon Gast namely Dr. Kevin Gast became Chairman of GAST, who was largely responsible for expanding GAST as its known today to a multifaceted international operating entity encompassing various fields from Construction and Civil Engineering to Geosynthetics, Waterproofing, Mining, Pipelines & Consulting.

GAST provides a complete spectrum of services from design and supply to installation in both the civil and construction industries. The Group’s philosophy is based on the principle of single point responsibility.

Having successfully completed more than 12300 projects during the last millennium, GAST boast accreditation from United Nations and World Bank, giving credit to GAST’s quality and performance on all dynamics.

Chemicals

Mining

Construction

GAST

GAST's headquarters in Pretoria, South Africa

Dr. Kevin Gast

Bianca Swart

Estie Jovner

Mulamba Johnny Wa Mulamba

This department focuses on designing, optimizing, and managing engineering processes and systems.

Engineering Services

This department focuses on generating revenue through managing client accounts and executing sales strategies.

GAST

Org chart

Teams

Engineering Services

Sales Department

Offices

GAST

Org chart

Teams

Engineering Services

Sales Department

Offices

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