I was getting the price for portland cement and sand/gravel to pour a
small shed floor about one CU YARD. I intend to mix it myself in a
The portland cement bags said type A1 (or was that 1A), AIR ENTRAINING
portland cement. I have never heard that term used before. What is
AIR ENTRAINING? Anyone know?
It is a chemical additive in concrete that creates microscopic air
pockets in the concrete that provide extra protection for the
concrete in freeze/thaw cycles. It is normal and desirable in
exterior concrete like sidewalks and driveways. It can create
blisters in hard troweled concrete (steel trowel finish) and
normally NOT used in interior applications.
Keep the whole world singing . . . .
I'm neither Doug, or the OP, but if I were to Google ;
what is air entraining
I might go with the first hit which reads;
"What is air-entrained concrete?
An explanation on what air-entrained concrete exactly is."
Been on Usenet long? Wealth of good information. . . .tons of bad.
If you're too damn lazy to answer the question, why not just STFU instead?
Sheesh. I'm just so damned tired of hearing people reply "just Google it".
Think about it; a good reason to *ask a question here*, rather than just
type some search terms into a search engine like any other idiot, is
that just *maybe* there might be someone here who not only can give you
the definition of the term, but also may have had some actual experience
using it and can give you the benefit of their knowledge. That's why
[insert name of deity here] invented Usenet.
Found--the gene that causes belief in genetic determinism
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