Height of chimney pot
- Thread starter DC1977
- Start date
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On mine I did 2 courses of brick plus the flaunching height
I think you helped me out with some details at the time Stuart. Was a couple of years ago now
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Looks like the pots are held in by just the flaunching on that stack, which is quite common. You need to cut off some of the flaunching and probably use some slate to hold the new pot in place. Ideally a pot should be built into the brickwork as shown above, but in many cases tall pots are only held on by the flaunching.
You would have to measure the thickness of the flaunching and add that to the height that you want. Ideally a pot should be built into the brickwork at least 25%. This is easy when the stack is being built, but not so even in a case like yours. If the chimney has a clay liner it's easy as it goes on top of the liner.
Before liners were used, the pots would often splay out to a square base so that would just sit on the edge of the brickwork. Then 2 over sailing courses were laid and then the top one brought back in.
Before liners were used, the pots would often splay out to a square base so that would just sit on the edge of the brickwork. Then 2 over sailing courses were laid and then the top one brought back in.
There is no liner in that flue. You need to cut back more of the flaunching. Then measure up from the top of the brickwork for the new pot. Probably need a few bits of slate bedded on top of the brickwork to catch the edge of the pot. When it's all filled back it will hold the pot in place.
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