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Unread 09-13-2020, 04:15 PM   #3
cx
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Join Date: Jul 2001
Location: Boerne, Texas
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Curious why you'd want a 3/4" layer of mortar mix under a water heater. This to be a wear layer?

The 60-pound bags of various cement-based mixes can usually be counted upon to be about half a cubic foot in volume. Maybe a little less, depending upon just what it is you have.

How long them bags been "laying around?"
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