The interior of my log home has FLAT log walls and some of the logs/boards are discolored ranging from gray to almost black. On some it’s almost the entire log/board and on others just a portion. It’s not ”growing” like mold, but I’m wondering what it is and how to get it back to the original log color. The walls don’t seem to have stain or anything on them….it it bare wood.

waterloop Changed status to publish April 8, 2024