I have a doug fir log home in the pacific northwest. Some of the exterior logs are discolored dark brown, a contrast to other good condition logs that have a light brown to orang-ish brown doug fir color. How do I bring the darkened logs back, closer to original color. Also, on some of the logs [both the colored & discolored logs]have little holes with a small pile of saw dust from a bug of some sort that dug into it. I don’t think it is termites.. What wood preservative can I put on that w

waterloop Changed status to publish April 9, 2024