Hi have just noted, probably been there for a while. The joint on the flue of my oil fired boiler. The area is covered in a white powder which looks exactly like washing powder when its got wet. Can anyone tell me what this might be. Boiler is about 12 years old now.
leaking flu joint - oil boiler
- Thread starter Deborah1965
- Start date
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If its the joint where the flue pipe joins onto the boiler its probably some moth eaten fireclay cement that you see......can you post a picture?
John
John
DIYnot Local
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