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For me eelgrass is full of childhood memories. Smells, noises and feelings mixed up with a bit desire. But in fact, the eelgras Zostera Marina is a real disturbing factor: Every year thousand tones of the dowdy biomass are washed up on the beaches on the german coast and blemish it with an unsightly brown carpet. Much to the anger of the tourists. Those – as a major economic factor – expect clean beaches.
Consequently the natural material ends up as special waste on landfills.

Regarding our resource-wasting society, there has to be a fundamental rethinking. I was asking myself if it would be possible to generate an additional benefit out of the washed up eelgrass. The Zostera Stool is the result of a long way of material experimentations with the biomass, in which a new eco-material was found. The eelgrass fibre reinforced eco plastic is made with the aid of a bio-resin mainly produced from vegetable oil. The material is lightweight and stable at the same time and brings out the natural
aesthetics of the eelgrass.

By sorting the different shades of the natural fibre, different colors of the material are possible.The material hardly reminds of the unsightly brown biomass on the beach.

carolinpertsch.com

A new eco-material – lightweight and strong at the same time
A new eco-material – lightweight and strong at the same time
Experimental setup
Experimental setup
Process
Process
Volume of eelgrass needed to produce one seating
Volume of eelgrass needed to produce one seating
By sorting the different shades of the natural fibre, different colors of the material are  possible
By sorting the different shades of the natural fibre, different colors of the material are possible
the three different colors of the material
the three different colors of the material
the three different colors of the material
the three different colors of the material