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Wood stove chimney

XRAYTANGO | Posted in Building Code Questions on

I’m having a new home designed with a wood stove in it.  Can I use a Class A double wall insulated pipe as a liner in a masonry (stone) chimney, as if it were a wooden chase?

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  1. Expert Member
    Michael Maines | | #1

    Xraytango, you would need to check with your code official but I believe what you want to do should be possible, as long as the required distance to combustibles is maintained. Is there a reason you don't want to just use single-wall SS liner?

  2. XRAYTANGO | | #2

    Several reasons for not wanting single-wall SS liner. Most single-wall SS liners are recommended to have insulation around them (to keep wall hotter, and reduce creosote deposition), so that's more labor (another step), and opportunity to mess up. The Class A double wall has that all done for me (for my builder). Also, I think Class A double wall will be more robust to cleaning.
    Correct me if I'm wrong, please.
    Stone chase approach will have air space and stone between outer SS wall and any combustibles.

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