![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/0let96zjg4l71.jpg?width=640&crop=smart&auto=webp&s=14222cac617d133dd2a43e411d7d9bc99fd4c35f)
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-v0-8jyn0rye5zia1.jpg?width=3024&format=pjpg&auto=webp&s=041760db123792a949a753380a0593cf56b4b39b)
British Gas condemned by boiler because the flue isn't cemented in, can i sort this myself? : r/DIYUK
![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/h16sc6zjg4l71.jpg?width=640&crop=smart&auto=webp&s=20257d8e671b68afcf91d9772b68d8eb5cb6f6b7)
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)