if unused the top should be capped but in a way to allow air and the bottom should have a vent. That what I have and that.s what this forum always says
I have a cap for the top that allows ventilation, I could pop a vent in. the bottom if it is needed, so many say no need for a vent so not sure if it is needed or not
I don't watch it or it would have been a good one. All ready to install my Granite hearth and fire, then an oak beam inbetween the TV and the chimney for the fire.
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