Holtz100 wooden inner leaf cavity wall

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The inner leaf of the cavity wall is made by the Thoma Company from Austria. Their Holtz100 system creates a non-glued solid wood shell on the interior of the Venlo City Hall.


The absence of glues and other chemicals makes the inner leafs completely Cradle to Cradle. In case of a future internal refurbishing all the wood can be disassembled and up-cycled into new and useful products.

See the relative case study : City Hall Venlo

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