Hi
I'm going to install a wood-burning stove and go through the wall with a flue pipe. I built a box with plywood and fiber cement board inside, and the size resulted in a 5 cm gap to the pipe, which I will insulate with fireproof insulation. But since the cover plate was round that I got to be on the facade, it would have made too large a hole if I had made a square hole on the facade. Is it okay to have 3 cm to the facade, do you think?
 
  • Box with plywood and fiber cement interior, showing a round cutout and wooden support, part of a wood stove installation project.
  • Circular cutout in a wall with wooden and fiber cement board, showing a hole prepared for a flue pipe installation, surrounded by protective material.
You should ask the chimney sweep who will inspect..
But it feels a bit little...
What does it say in the installation instructions?
 
True.. 5 cm from combustible material to the outside of the chimney pipe (attaching description in the safety manual from where I bought the kit from).
I'm installing the stove in a shed (for the moment) so I don’t really need to call a chimney sweep now if I understand correctly, but I still want to do it correctly for future inspection if the house would be reclassified as an "attefall".
 
  • Safety manual excerpt showing installation guidelines for chimney pipes and fire safety distances in building walls.
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