Copper Green will ward off termites and wood eating buggers. Copper is dangerous for them.
It doesn't do much for the wood; it is nasty to apply under a house in crawl spaces and do the whole under of a house! Been there and did that a number of times over 17+ years living on a mountain side.
Right - been 10 years since I pained two cans on the house.
Copper is tough on fish and bugs, lizards.... as well.
My house sat on top of a massive root ball of a half dozen 100-150' Coastal Redwoods. Stuff sprouted under the house from time to time.
I had two large rings of them and stumps the size of a small truck and these were burnt so the outside didn't grow on top of the trunk.
Once and only once in 17+ years were toad stools that were 18" in diameter and about that tall. Normally they are in the forest and are eaten before they got big. I took a picture to a professor at the local college and he noticed what they were and told me to leave them alone. They come up bloom and die off. Something like locust - every so many years.
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