Recent 17++ Back To Back Fireplace Dimensions
Recent 17++ Back To Back Fireplace Dimensions. To do this, you will need to record each dimension a lintel is an iron rod that runs from the front to back down the ceiling of your fireplace opening. I've designed it where each side has it's own damper, smoke chamber, smoke shelf, flue, etc. The dimensions mentioned above are to be used as a guide for research and basic sizing purposes.