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closing up free-standing fireplace chimney opening

Posted by mcnaughton (My Page) on
Sat, Apr 5, 08 at 15:37

We have removed an old free-standing fireplace from our basement. It had a very ugly galvanized tube chimney that we have removed, too. We think our local heating/cooling store can tell us how to cover the hole in the basement where the chimney was attached. But...we now have a box-shaped recess in which the chimney was. It is a concrete surrounded area that is approx a 2 ft cube. We want to close that area up as it is a funnel for rain to flow into the basement. Can we just fill it with concrete? Do we need another moisture barrier? Any suggestions would be appreciated.

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RE: closing up free-standing fireplace chimney opening

I am assuming you have a chimmney on the outside of your house and a hole from the chimmney through the basement wall where the flue from the freestanding stove/fireplace connected to it. first thing you would need to do is plug the hole in the wall. Next thing you need to do is cap the chimmney on the outside of the house. To do that get a piece of gavanized sheet metal and use that to cover the top of the chimney. Fasten it down with Tapcon anchor screws and put roofing sealant over the fastners.

plugging the hole in the wall will probably take a sheet metal plug or a concrete plug.

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