insulating chase

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  1. K

    What to Do With My B-Vent Gas Fireplace That Leaks A Lot of Air?

    Hi All. I have an ugly B-Vent (Natural Vent) Gas fireplace that previous owners installed (plopped) in what used to be a woodstove. Behind the stove there is metal sheathing, behind that is the brick chimney area. I am wanting to make things more efficient and air tight. There is currently cold...