Traditionalist utilize only cryptomeria japonica or japanese cedar because it can take the heat for a deep burn resulting in pest rot and fire resistant as well as becoming a natural water repellent and sun shield.
Burnt wood siding on pressure treated wood.
Why pressure treated wood is not safe to burn.
It may look the same as traditional wood giving you a false of sense of security but pressure treated wood is not safe to burn.
When burned pressure treated wood releases a cocktail of harmful chemicals and pollutants into the air some of which will inevitably end up in your lungs.
While shou sugi ban 焼杉板 originated in japan in the 18th century primarily as way to treat cedar siding to make it weatherproof the technique which involves charring a wood surface to.
Termites and other pests hate the layer of char and it deters them from trying to eat into or make their homes in your siding or fencing.
The surface of the wood can take on a crackled or alligator skin look depending on the wood species and the burn intensity.
Charred wood is more bug pest resistant than normal wood.