Recent content by fitter27

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  1. fitter27

    Pulling a vacuum for firebox insulation.

    Thanks guys for the input. I think I might still try it since I’m just curious. If it doesn’t work I’ll drill some holes and fill it with some high temp expandable foam or something and patch the holes.
  2. fitter27

    Pulling a vacuum for firebox insulation.

    Read the forum but never post. Working on another stick burner. Previously I’ve used rock wool to insulate the fire box. Worked fine but I was wondering if anyone has ever thought to pull a vacuum instead of filling with insulation? I’m a Pipefitter/welder so sealing it is not an issue and I...
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