Suihi
Suihi is a traditional Japanese method of waterproofing and preserving wood, particularly for structures exposed to water such as bridges, wells, and water wheels. The technique involves charring the surface of the wood, typically using straw or reeds, to create a protective layer of carbon. This charred layer is then brushed or scraped clean, revealing the wood beneath.
The primary benefit of suihi is its effectiveness against rot and insect infestation. The carbonized surface
Historically, suihi was a vital skill for carpenters and craftsmen working with timber in rural Japan. It