Yakisugi is a traditional method of wood preservation. Charring wood is not specific to Japan, but charring sugi (Japanese cypress) for cladding use is a traditional feature of some Japanese architecture. It’s been used primarily for practical reasons — charred wood is less susceptible to rot and moisture damage, insect damage, and ironically enough, it’s more resistant to fire. Plus, it looks pretty badass if you ask me.
I first saw a video of a guy burning sugi boards several years ago and was entranced. I knew that I wanted to try it sometime, and I decided to use our first timber frame as an experiment. So I bought a torch and lit up our white oak timbers. Read ahead for more…