Managed to turn it around now. No traces of reinforcement. However, I don't like the white streaks and all the holes. I assume the white streaks will disappear if I sand it. But what mixture should I use to fill the holes?
Probably the best option is concrete filler, Ardex A46 (about 400 pix for a bag), the next best is husfix, you can also try mixing a slurry of just cement and water.
Regardless, you will get a surface with color variations.
Don't want to rub salt in the wound, but with expanderbetong, this does not happen.
Damn. Used Husfix because I had it at home. Thought it would turn more gray when it dried. But no, it's completely white. Tried scrubbing off as much as I can but it mostly looks like this now:
Difficult case the doctor cried, I might not be able to help with that, the unfortunate thing is that there will probably be differences in shades no matter what you do, it's so-called lagning.
Question, is it possible to apply a thin layer of slurry and then seal it with varnish without sanding off the film of the slurry that has dried? It actually looks nicer because it covers those ugly white areas. They reappear if I sand after applying the slurry.
If I were you, I would redo the slab; it will likely be both faster and miles better than trying to patch and repair. The slurry is nowhere near as hard as real concrete since it doesn't contain any sand/gravel. You will also have significant difficulties getting the surface reasonably flat if you try to plaster it anyway.
You have received lots of tips in the thread, follow these when casting your new slab, and you will see that you'll get a good slab.
If I were you, I would redo the slab, it will likely be both faster and miles better than trying to patch and repair it. The slurry is not nearly as hard as real concrete since it doesn't contain any sand/gravel. You will also have great difficulty getting the surface reasonably flat if you try to skim coat it anyway.
You've received plenty of tips in the thread, follow these when casting your new slab, and you'll see that you'll get a good slab.
It takes at least 3 weeks to make a slab due to all the waiting time. I can't bear to have a concrete slab standing in the middle of my small studio apartment all summer. This one has to be used. If I redo it, it will be later in the fall. It's not a dignified way to live as it is now.
In that case, use concrete putty, Ardex A46, as I suggested earlier. It sets in about 15 minutes, and you can sand it the next day. But it's a tough job to sand if you don't get the puttying right, and it involves wet sanding with all the mess it entails.
If it's warm (up to 25 degrees) in the apartment, you still have to wait until it's cooler, otherwise, the putty will set too quickly to work with.
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mexitegel said: