Hennie is the inventor of the Ultra Lock, the world’s first intentional emergency locking device for security gates.

He established the company Ultrafab (Pty) LTD. where he manufactures the Ultralock for both the local and international markets as well as other steel products, electrical support systems and security products.

Hennie has had a close association with the Institute for some 30 years and is a Director of the Executive Committee of the III.