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-   Concrete, Stone & Masonry (http://www.diychatroom.com/f105/)
-   -   New concrete much dark than the old (http://www.diychatroom.com/f105/new-concrete-much-dark-than-old-138517/)

jeh 03-28-2012 09:40 AM

New concrete much dark than the old
 
when t

joecaption 03-28-2012 09:45 AM

New and old will always look differant. As far as the finish, all depends on how it was done. There's at least 3 differant ways they could have finished it.
Without being there or at least a picture the concrete guys on here would be just guessing when try to make suggestions.

jeh 03-28-2012 10:17 AM

ok, tha

joed 03-28-2012 12:27 PM

The concrete looks brand new. Wait for it to cure and dry out more. Wait at least 28 days and see what it look like then.

jeh 03-28-2012 01:42 PM

will it have the same look of having stones in it and turn the same color?

AtlanticWBConst. 03-28-2012 01:47 PM

Let it fully cure (as stated). The color will lighten up.

Its not going to be the same "exact" color and detail-finish .... as the old, worn, aged, exposed and walked-on concrete.
I think your expectations are not very realistic.

Example: http://www.ehow.com/how_8684754_dark...match-old.html

Quote:

....not every company uses the same formula, or even the same ingredients. Even contractors in the same area may use different brands. Because of this, new or replacement cement will almost certainly not initially match the tone of the older cement. There are some ways to artificially age and darken new cement, but matching 100 percent is difficult....

FWIW - I have a standard clause in all my contracts that state that same point, for a variety of finish materials (No way to guarantee that new - will exactly match old. In somer instances, the only way to match is to go all new). This helps to manage expectations.

jeh 03-28-2012 01:51 PM

ok, so what can i do to help blend it a little better in the interim? I have heard muriatic acid can help weather it but don't know if this would change the color?

Tscarborough 03-28-2012 03:43 PM

Also, if you make the patch match the old while it is fresh, then it will no longer match when it ages.


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