support box

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  1. C

    Need support box collar

    I have a support box that sits below the ceiling so need a collar to meet the ceiling (drywall) but am having a hard time finding just a square collar to attach to the support box or ceiling. Is it unusual to need to buy a collar by itself? Is there a more diy option to cover the area where the...
  2. L

    Support Box Trim cathedral ceiling; 24" OC rafter

    Hi all, I'm new to Hearth.com and also new to installing stove pipes. Installing a Jotul F400 and running the stove pipe through a cathedral ceiling; 5/12 pitch; near the ridge. anyhow, my rafters are spaced 24" oc. Luckily, where I want to run the chimney/install the support box is right next...
  3. R

    Identifying cathedral support box?

    Out of touch contractor put in cathedral ceiling support box and I have a little aspen stove 12' below it and nothing in between. About to add stovepipe, but do brands need to match? I can't find any numbers on it to identify brand of box. Tips on where should I look? Adapter inside 5 3/4" and...
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