Insulating the chimney

danthman Posted By danthman, Nov 24, 2008 at 5:26 PM

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  1. danthman

    New Member 2.

    Sep 23, 2008
    I installed my direct vent LP fireplace insert over the weekend and installed the vent pipe through the existing chimney flue. After installing both pipes and getting the stove situated I noticed there was quite a cap in the flue around the liners. Anyone use insulation to seal this space? Will my vent pipe get too hot for fiberglas insulation? I am just worried about it maybe melting or causing a fire in the flue. I was going to stuff some fiberglass house insulation in there (with the paper removed) anyone think this is a good idea?
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