Fireplaces, Heating Stoves, Flues and Chimneys - Floor of Firebox

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diylady
04-10-01, 07:34 AM
I've cleaned the fireplace of the house we bought a couple of months ago, and find the floor of the firebox to be poured concrete. I was under the impression that the entire firebox was supposed to be made of firebrick. The house was built in 1955. Was this common building practice for the time? Will I experience any problems from this?

Thanks folks!

some help
04-11-01, 01:08 AM
Hello
Years ago they did use concrete for fire places but it has its problems....it takes a long time to dry out and not have trapped mosture under the surface...But if this has been used for almost 50 years and is still in good shape I would have to think it is Ok to use....If you have the room you could lay a 3/4" fire brick bottom and you would realy have a safer unit....Good Luck
04-18-01, 10:48 AM
Professionally speaking as a Certified Chimney Sweep, I'd say it depepnds on how thick the floor is and what is under it. If it is sitting on a properly built foundation there shouldn't be a problem.

Here's some web sites that might help. The first one will provide you with a list of Certified Chimney Sweeps in your area.

http://www.csia.org
http://www.chimneys.com
http://www.ncsg.org