2019 Highly Commended - Hawley Wharf, London

Concrete @ your Fingertips

Full list of Nuggets

Crystalline water-resisting admixtures

Crystalline water-resisting admixtures contain ingredients that can react with water and components of  the cement to form hydrates in the capillaries and microcracks of the hardened concrete. While  essentially pore blockers, this mechanism may provide some ongoing crack-sealing properties.

Acknowledgement: The Concrete Society