![What would be the best way to fill this old boiler flue hole? I Really hate this make shift covering the old house owner had covering it. Wall looks to be a What would be the best way to fill this old boiler flue hole? I Really hate this make shift covering the old house owner had covering it. Wall looks to be a](https://preview.redd.it/js9q2tzjg4l71.jpg?width=640&crop=smart&auto=webp&s=2d5bc73885567262b0399ea014672f73289cc054)
What would be the best way to fill this old boiler flue hole? I Really hate this make shift covering the old house owner had covering it. Wall looks to be a
![British Gas condemned by boiler because the flue isn't cemented in, can i sort this myself? : r/DIYUK British Gas condemned by boiler because the flue isn't cemented in, can i sort this myself? : r/DIYUK](https://preview.redd.it/british-gas-condemned-by-boiler-because-the-flue-isnt-v0-359u3qye5zia1.jpg?width=640&crop=smart&auto=webp&s=c9c9fdc813d7a8f0c6534c119f982ce1922ecc92)
British Gas condemned by boiler because the flue isn't cemented in, can i sort this myself? : r/DIYUK
![Badly installed gas, boiler, new boiler installation gas boiler. #Plumber #Plumbing #Heating  - YouTube Badly installed gas, boiler, new boiler installation gas boiler. #Plumber #Plumbing #Heating  - YouTube](https://i.ytimg.com/vi/PQpNYIA1G0g/maxres2.jpg?sqp=-oaymwEoCIAKENAF8quKqQMcGADwAQH4AbYIgAKAD4oCDAgAEAEYZSBXKD8wDw==&rs=AOn4CLDdVY1Nuc5MfKZY_T772Z9pbXG_vQ)