[Greenbuilding] Redoing all floors

[Anncha]

Yes, new concrete must cure before it will take any stain, at least 28  
days!

Anncha


Anncha Briggs, ASID/ASRID
AR State Registered Interior Designer #2001
NCIDQ Certificate #015650
design and art consultation
T 501 663 1016

E anncha1 at aol.com

Please consider the environment before printing this email.

On Jul 28, 2011, at 9:33 AM, RT wrote:

> On Wed, 27 Jul 2011 17:56:11 -0400, Ktot (g) <ktottotc at gmail.com>  
> wrote:
>
>> Talking to various experts, at least 28 days should have been left  
>> between pour and cure.
>
> Either you or the "various experts" are confused because the above
> statement makes no sense.
> A look at the strength vs time graph (example shown in link provided  
> in previous message)
> will quickly illustrate why.
>
> There is no assurance that grinding down improperly cured concrete
> (whether it be with carborundum stones or diamond stones) will yield a
> better finished surface.
>
> If the concrete was crappy concrete (ie compromised mix quality due  
> to addition of water at the site, followed by improper curing) to  
> begin with, grinding away the more dense surface layer (created as a  
> result of the troweling process) is only going to expose more poor  
> quality concrete.
>
> Then you'd still have to apply surface treatments in order to make  
> the concrete look and wear like something other than crappy  
> concrete. And since the wear layer would only be a very thin,  
> chemical stew film, it's likely need to be refinished again and  
> again and again over the years.
>
> Why bother with the time, trouble, mess , energy and expense ?
>
> I'd cover it over with tile (preferably an unglazed, fully vitrified  
> porcelain or such-like) or stone (not a limestone or marble because  
> they're too soft).
>
>
> -- 
> === * ===
> Rob Tom
> Kanata, Ontario, Canada
> < A r c h i L o g i c  at  Y a h o o  dot  C A >
> (manually winnow the chaff from my edress if you hit REPLY)
>
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