Hi, before I start I freely admit to being a complete concrete noob :) That said I have read about the basics.
I am making some steps down from our back door, about 1.2m in height. When constructing the frame I found that the concrete yard surface wasn't flat enough near the house wall, and was only around an inch thick everywhere, so I've had to construct some concrete footings for the posts. These posts will be attached with metal sleeves to the concrete.
So, 3 out of 4 concrete footings poured, I find out that my finishing is not really up to much - there are ripples and bumps all over the surface. The bumps aren't stone, it's just unevenness in the cement surface. Is it possible to rough up the surface and pour a thin layer of cement over to smooth it out? It's been 48 hrs since I poured it.
If that sounds ok, I also read somewhere about using plasticiser for a cement surface, should I use that and in what quantity?
If adding more cement on top is a bad idea, is there anything else I can do to flatten the surface?
It should of said grano as in granite dust. Sbr is an additive, waterproof,sticky, like pva but for outside. Mixing building sand make the mix smoother. Or instead you could try sharp sand instead of grano
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