About us

Since the 1980's SLOG has been widely used by geotechnical engineers for the design of footings on expansive soil. In 2008 the original FORTRAN program was converted into VBA for Excel Applications for use on modern systems. SLOG is currently widely used by companies, universities and government departments across Australia and internationally.

The program has undergone many updates since 2008, incorporating user feedback and suggestions for feature enhancements. If you'd like to learn more or contact us for more information, please see the below pages.

Learn more about who we are and the experience we bring:
 Learn what terms and conditions apply to the use of SLOG:
 Contact us for more information, support enquiries, or trial version enquiries:

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