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#1
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Stamped Concrete with cracks....
We had a stamped concrete walkway poured last Thursday. Concrete one color with a second color dusted on top. The mason came Friday to spray off the color and was going to seal it, but decided to come back on Monday when we had made a final decision on the color. Today I notice spider cracks in more than a few spots on the walkway. The cracks are not deep, but look like packed desert floor during a drought. Could someone with knowledge of concrete let me know if it is "normal" to have cracks in the walkway? I would like some information before I approach the contractor about this possible issue. Thanks! ----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- |
#2
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Stamped Concrete with cracks....
I have a new driveway, and I see this in several places when it's drying.
When it dries, the marks are gone completely, so it doesn't appear to be actualy damage. I am very curious, however, as to what causes it, and don't know if it's an indication of future problems in that area or not. "Chuck and Erika Douglas" wrote in message ... We had a stamped concrete walkway poured last Thursday. Concrete one color with a second color dusted on top. The mason came Friday to spray off the color and was going to seal it, but decided to come back on Monday when we had made a final decision on the color. Today I notice spider cracks in more than a few spots on the walkway. The cracks are not deep, but look like packed desert floor during a drought. Could someone with knowledge of concrete let me know if it is "normal" to have cracks in the walkway? I would like some information before I approach the contractor about this possible issue. Thanks! ----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- |
#3
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Stamped Concrete with cracks....
"Chuck and Erika Douglas" wrote in message ... We had a stamped concrete walkway poured last Thursday. Concrete one color with a second color dusted on top. The mason came Friday to spray off the color and was going to seal it, but decided to come back on Monday when we had made a final decision on the color. Today I notice spider cracks in more than a few spots on the walkway. The cracks are not deep, but look like packed desert floor during a drought. Could someone with knowledge of concrete let me know if it is "normal" to have cracks in the walkway? I would like some information before I approach the contractor about this possible issue. Thanks! ----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- The cracks can be from curing to fast , Did you keep it wet for a couple days spraying water on it ? Have you ever notice that on some big pours they will set up sprinklers to keep the concrete wet while it cures. Also did the spray with a curing sealer the idea is to hold the moisture in, sealer may not work in your situation. Regardless of what you do you always get some small cracks . Did they put any wire mesh or rebar in the walkway? I myself always put rebar ( not mesh) in anything I pour, Even if you do get some bad cracks over time it holds it together. |
#4
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Stamped Concrete with cracks....
On Jun 10, 10:11 am, "Sacramento Dave" wrote:
"Chuck and Erika Douglas" wrote in . .. We had a stamped concrete walkway poured last Thursday. Concrete one color with a second color dusted on top. The mason came Friday to spray off the color and was going to seal it, but decided to come back on Monday when we had made a final decision on the color. Today I notice spider cracks in more than a few spots on the walkway. The cracks are not deep, but look like packed desert floor during a drought. Could someone with knowledge of concrete let me know if it is "normal" to have cracks in the walkway? I would like some information before I approach the contractor about this possible issue. Thanks! ----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==---- http://www.newsfeeds.comThe #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- The cracks can be from curing to fast , Did you keep it wet for a couple days spraying water on it ? Have you ever notice that on some big pours they will set up sprinklers to keep the concrete wet while it cures. Also did the spray with a curing sealer the idea is to hold the moisture in, sealer may not work in your situation. Regardless of what you do you always get some small cracks . Did they put any wire mesh or rebar in the walkway? I myself always put rebar ( not mesh) in anything I pour, Even if you do get some bad cracks over time it holds it together.- Hide quoted text - - Show quoted text - I have a large stamped concrete patio. When it was done, there were no cracks at all. It's about 10 years old now and does have some typical long running cracks that you eventually see in most concrete. In my case, the contractor put stress relief cuts into it in one direction to take care of the longest dimension, but not the other. The other direction was much less and probably border line for even needing a cut. But, guess where the main crack occurred? Right in the middle of the span direction without the cut. So, make sure there are sufficient cuts. I think one more would have eliminated most or all of my crack. If I paid for stamped concrete, I would be concerned about the spider type of cracking you're talking about too, because with stamped concrete, the big premium your paying is for the finish look. |
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