Disaster Averted

Been burning the wood stove all week in the studio and noticed a lot of smoke in the room.  Opened the window and thought there was perhaps an obstruction in the chimney pipe.  Got on the ladder to examine the stove pipe and it literally fell apart  in my hands. Needless to say, I spent the morning replacing the old rotten chimney with brand new stainless steel.  Built a big fire in the wood stove and yes, no smoke.
If you are burning wood, check that old steel chimney pipe.