Rotten wood is just harder to light than traditional firewood. Yes it’s safe to burn rotten wood in an indoor fireplace. I recommend using regular firewood to start the fire or at the very least you’ll need to use some type of fire starter(that might not even work).
Wooden bakers rack hutch
Wooden cross on stand
White wood high chair
Can You Burn Rotten Firewood? in 2021 Rotten, Firewood, Burns
