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- 23 Oct 2024
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Hi,
I have an offset link detached property built about 1900. It has three chimney stacks, one where the property abutts up against an adjoining end terraced house ( so the chimney breast itself is not exposed to the weather), one on the outside where the chimney breast wall is an outside wall, and one that goes up through the middle of the house. I had all three chimneys professionally capped with cowels.
The middle of the house chimney starts at ground floor ceiling level, ie lower part was removed to facilitate kitchen modernisation. This chimney breast ( in the upstairs bedroom) has damp patches on it. The damp is not coming up and the damp is not coming in with rainfall so it MUST be condensation. Correct ?
It doesn’t have an air brick but nor is it tightly sealed at bedroom fireplace. I understand the condensation arises because of warm air from the room rising to meet the cold air in the attic and then dripping down.
If I fill the chimney with insulation or somehow seal it at attic floor height would this stop the problem or would the resultant lack of air circulation in the chimney cause other problems. This is what I would like to do if it will work!
I am not keen on massive air bricks to allow expensive hot air to escape !
I don’t have any problems with the chimney against the terraced house which I don’t understand but have similar problems with the chimney on the outside wall, again at bedroom height.
It’s very depressing !
I have an offset link detached property built about 1900. It has three chimney stacks, one where the property abutts up against an adjoining end terraced house ( so the chimney breast itself is not exposed to the weather), one on the outside where the chimney breast wall is an outside wall, and one that goes up through the middle of the house. I had all three chimneys professionally capped with cowels.
The middle of the house chimney starts at ground floor ceiling level, ie lower part was removed to facilitate kitchen modernisation. This chimney breast ( in the upstairs bedroom) has damp patches on it. The damp is not coming up and the damp is not coming in with rainfall so it MUST be condensation. Correct ?
It doesn’t have an air brick but nor is it tightly sealed at bedroom fireplace. I understand the condensation arises because of warm air from the room rising to meet the cold air in the attic and then dripping down.
If I fill the chimney with insulation or somehow seal it at attic floor height would this stop the problem or would the resultant lack of air circulation in the chimney cause other problems. This is what I would like to do if it will work!
I am not keen on massive air bricks to allow expensive hot air to escape !
I don’t have any problems with the chimney against the terraced house which I don’t understand but have similar problems with the chimney on the outside wall, again at bedroom height.
It’s very depressing !