What is Spalting?

Spalting is a by-product of the decomposition process that is carried out by stain, mold and decay fungi, found naturally on the forest floor. When the temperature and humidity are right, spalting can cause many different and beautiful patterns in decaying wood. “Black-line spalting” looks like a black ink line of varying thickness and great irregularity drawn through the wood.

Once the wood has been cut and dried, the fungi can no longer grow, and the spalting process will stop.  Airflow, 25% wood moisture, and air temperatures between 60 and 80 degrees are all necessary for spalting.


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