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#8141 - 04/12/01 02:28 AM Gray Portland vs. white Portland?
dbren Offline
Junior Member

Registered: 04/11/01
Posts: 1
Loc: Burnet, Texas
I plan to shotcrete a 7 ft. high fence, 3" thick and would like to finish coat both sides with white sand/white Portland mix. Are there any chemical differences between gray and white Portland?
Don B.

#8142 - 04/12/01 11:42 PM Re: Gray Portland vs. white Portland?
ken Offline


Registered: 04/12/01
Posts: 1219
Loc: Austin, Texas
Typically, white Portland cement is ground finer, and there are small differences in chemicals, but not enough differences to effect your project.
Concrete is good.