Thanks for the help. The build has gone well so far just lit things up last night and thought I don’t have a clue if that is a good flame. I am using a 7 gallon compressor tank, 2” kaowool, Simwool rigidizer, Hell’s forge castable refractory cement, CTI 100 coating. I have the burners coming in tangent to the tank radius. Start putting in the kaowool this weekend. I appreciate the help. I added my location. I am in Caldwell Idaho. I am a Michigander now living in a desert where nothing rusts!