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#1
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I have a small sidewalk I am working on. The other sidewalks have the
pea gravel & concrete look formed by washing off the concrete before it sets. How do I know and when is the right time to wash off the top layer of concrete to expose the mixed-in pea gravel? I was told to wait an hour afterwards. Use a garden hose and broad broom to lightly remove the concretre. Any other suggestions? Some have suggested a concrete retardent, but I could not find any at Home Depot! Some have suggested a concrete supplier, but said that they carry it in a 5 gal bucket. Others said that it is not necessary for a small patch. Any other things I should know?? |
#2
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Deodiaus wrote:
I have a small sidewalk I am working on. The other sidewalks have the pea gravel & concrete look formed by washing off the concrete before it sets. How do I know and when is the right time to wash off the top layer of concrete to expose the mixed-in pea gravel? I was told to wait an hour afterwards. Or two. . . or 20 minutes. It depends on how wet you mix was, how humid the day is- and what the temp is. Just be forewarned. If this is your first try you might want to do a test batch and make some portable stepping stones. [I have a form I built that makes 3 12x12x2 'pavers'. I dump the leftover concrete from a 'real job' in these squares- sometimes 1, 2, or all 3] They come in handy sometimes, and make me feel like I'm not wasting anything. Use a garden hose and broad broom to lightly remove the concretre. Any other suggestions? Don't over wet it- it is an art. Some have suggested a concrete retardent, but I could not find any at Home Depot! Some have suggested a concrete supplier, but said that they carry it in a 5 gal bucket. Others said that it is not necessary for a small patch. I agree you don't need retardant. Any other things I should know?? Did you prepare the base well? Are you allowing for expansion? Cracking? How big is 'small'? Jim |
#3
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![]() "Jim Elbrecht" wrote in message ... If this is your first try you might want to do a test batch and make some portable stepping stones. [I have a form I built that makes 3 12x12x2 'pavers'. I dump the leftover concrete from a 'real job' in these squares- sometimes 1, 2, or all 3] They come in handy sometimes, and make me feel like I'm not wasting anything. What a really neat concept. I really like that! I never seem to wind up with the exact amount. Colbyt |
#4
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Deodiaus | 2009-07-07 | 4:06:15 PM wrote:
I have a small sidewalk I am working on. The other sidewalks have the pea gravel & concrete look formed by washing off the concrete before it sets. How do I know and when is the right time to wash off the top layer of concrete to expose the mixed-in pea gravel? I was told to wait an hour afterwards. Use a garden hose and broad broom to lightly remove the concretre. Any other suggestions? Some have suggested a concrete retardent, but I could not find any at Home Depot! Some have suggested a concrete supplier, but said that they carry it in a 5 gal bucket. Others said that it is not necessary for a small patch. Any other things I should know?? The term you're looking for is "exposed aggregate concrete". Search on that, and you'll find loads of help. -- Steve Bell New Life Home Improvement Arlington, TX USA |
#5
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