I am removing a brick form a disused ancillary (mini) chimney stack to allow it to have some airflow and breathe.
Accessing the small capped of stack at roof level is out of the question (for me), although the loft window is temptingly close.
Would removing one brick at the lowest point possible and one in the loft (just below roof line) create enough air movement within the stack? Or will it rely on the top one being outside to give enough of a pressure differential for air movement.
Last time I got a roofer out he said it was a difficult stack to get to (aka, he did not want to do it) as it was not in-line with the roof line, it is in line with the sloping hip part. Was he just fobbing me off? Would a good roofer be able to access it with the correct ladders.
Accessing the small capped of stack at roof level is out of the question (for me), although the loft window is temptingly close.
Would removing one brick at the lowest point possible and one in the loft (just below roof line) create enough air movement within the stack? Or will it rely on the top one being outside to give enough of a pressure differential for air movement.
Last time I got a roofer out he said it was a difficult stack to get to (aka, he did not want to do it) as it was not in-line with the roof line, it is in line with the sloping hip part. Was he just fobbing me off? Would a good roofer be able to access it with the correct ladders.
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