concrete fireplace mantel
"avp27" wrote in message
oups.com...
hi,
I am forming up a large slab of concrete which will be used as a
mantle. I will then cement sandstone as the finished product. I wanted
to find out whether there is any additive that I can add to the
concrete so that it is not affected by the heat. I want to avoid
cracking !
You can use fired aggregate.
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Mike W
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