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Wed, Nov 21, 07 at 16:44
| I have a Heat-n-glo gas fireplace I'm installing in a remodel. It vents straight up through the ceiling and then through the roof. There's about 1 foot from the ceiling to where it passes through the roof...this is the attic space. I boxed out with 2x6 around the flue and installed a metal firestop on the top portion (10" x 10"). So, from the inside looking up, you can see the 2x6 box and firestop. The drywall goes up to the box I made. Above the firestop is blown insulation, but none of it is touching the flue...that I know about.
So, is this all acceptable code wise? Do they usually drywall up to the flue on the inside? Seems like a lot of heat could escape up and through that area since there is no insulation. Does the drywall need to be taped and mudded at the seams? I live in Minnesota. |
Follow-Up Postings:
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| the firestop is usually two sided or designed to drop down into the room. You could also maintain the required distance around the pipe with sheetrock and finish it with a collar. Yes sheetrock is fire resistant but the paper on it is not. |
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| It's in the teens out right now. Looking at the firestop from below I can see a whole bunch of condensation taking place. I haven't caulked around the firestop yet. But this is the only barrier there is between the inside and the attic space. Seems like a terrible waste of heat. Wondering if I'm missing something. Should I drywall up to the flue as well and then caulk that? |
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| Anyone know where I can get some answers for this? |
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