I have Big Buck stove to 8" flu pipe trip. wall.
From buck, goes up about 3' and takes a 90 Degree about 6' to outside the wall then 90 degree up about 30' or so to top of house. I can not get updraft! what is the problem? I tried everything. outside, I have a T for easy cleanout. I open T and it is moist in there... Please help me ! this is a real problem.