Above the crossed hammers is a protea in its natural colours of red and green while below is a schematic representation of water in blue and white.

The protea, the national flower of South Africa, symbolises the commitment of Modderfontein to serving the country for the benefit of all its people.

Modderfontein has served South Africa through the manifold skills needed for the various products and services produced in the town and by sharing this with the broader community, making the country a better place in which to live.

Carl Friedrich Wolff was born on Christmas Eve 1851 in Kempten, the capital of the Austro-Bavarian district of Allgäu in southern Germany.

The Nobel company had established the Zuid-Afrikaansche Fabrieken voor Ontplofbare Stoffen and had appointed Wolff as local director in South Africa (although he apparently retained his connections with his English employers).

The Nobel Trust exercised complete financial control over the dynamite factory and Wolff's major role appears to have been as negotiator with the Z.A.R.

Land speculation was rife, community development was beginning to take shape and Carl Wolff, at the peak of his career, was right in the heart of the drama.