Within the Oer project we investigate various applications of iron ores for ceramic products. 

The iron comes from various sources. Collected as residual raw material from water production companies in the Netherlands or found in Swedish forests. Places where iron comes to the earth’s surface through water flows. 

This natural raw material is processed into a usable element for clay and glazes.


from sludge to tile

The Oer tile is an earthenware tile colored with iron sludge. Iron sludge is a natural residual material of the production process of our tap water, which we obtain directly from the water production company in Eindhovenread more

from sludge to tableware

Each product is made of porcelain clay mixed with iron sludge which gives it a light grey tint with tiny speckles of a darker colour.

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