reterace.

Overturning the notion that 'concrete is inorganic,' we developed indigo concrete with the goal of creating 'the most beautiful concrete in the world.'
Indigo concrete is a new type of concrete that develops color using plants, known as Japan Blue.

Behind it lies the skills and spirit inherited by Tokushima's plasterers and indigo farmers, as well as a culture of challenge that has evolved indigo dyeing. In this workshop, you will merge Japan's traditional indigo with modern technology, feel the energy of Tokushima, and create new 'beauty' with your own hands.

― Tomohiko Kida, CEO, retrace.

Combining Awa Indigo with European MORTEX®, our 'indigo' design concrete is a vibrant building material that overturns conventional notions. The beautiful shades of Japan Blue adorn every space, from architecture and interiors to furniture. This 'new blue,' born after years of research, is being adopted in luxury hotels and expanding its possibilities.

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