ᐅ Concrete-look floor / screed floor

Created on: 5 May 2020 13:03
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Tommy77
Hello
After completing the screed, we are considering installing a so-called skim coat floor with a concrete look. Unfortunately, there are not many providers, and if there are, they tend to be extremely expensive. If anyone knows of alternatives, companies that offer a good price-performance ratio, or if it’s okay to do it “yourself” with guidance and instructions, I would be grateful for any advice. Rooms and a bathroom are to be done. Maybe someone here has taken on this task themselves. I understand that there are many things to consider.
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Isokrates
8 Oct 2020 20:42
Shiny86 schrieb:

What type of screed is needed?

We were recommended Thermorapid from Chemotechnik.
KlaRa9 Oct 2020 12:35
Thermorapid is a fast-setting cement with very low shrinkage, often considered the "Mercedes among cementitious binders."
It can be used but is not necessarily a mandatory requirement. Well, that was not explicitly stated either.
For a screed floor, a standard cement screed CT-C25-F4 is generally sufficient.
The price, as mentioned in previous questions, is influenced both by the product itself and by the installation process.
No, not everyone with limited skills will be able to successfully install such a screed or unique floor in a way that keeps domestic harmony with their partner undisturbed for decades to come.
The installation challenges are diverse. Anyone who does not own spiked shoes and a spiked roller to immediately ventilate the fresh leveling compound should quickly reconsider attempting a do-it-yourself installation.
Screed floors used to mean manual application by trowel. Today, self-leveling compounds are used to avoid the unavoidable marks from troweling.
This also means that voids in the ground surface must be pre-filled with a filled primer or by scratch filling, which then has to be sanded.
All of this requires advanced technical knowledge. And precisely this expertise—along with the warranty mentioned elsewhere—must be paid for.
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Shiny86
9 Oct 2020 12:52
Thank you for the very informative post. Is plastering no longer done by hand at all? Some photos online show it done that way, as you can see the trowel marks. Is it more common now that those marks are not visible?
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pagoni2020
9 Oct 2020 12:59
@Shiny86 There are countless options for stylish flooring. Therefore, I wouldn’t advise you to choose something so complex unless you have specific reasons for wanting exactly that type of flooring.
Pinky03019 Oct 2020 13:11
At first, I also thought I wanted a seamless floor. But then I realized the following:
- Expansion joints must be planned
- Installation is complicated, so it’s expensive and requires skilled professionals
- The floor is more sensitive than expected, for example, water should be wiped up promptly
- Cleaning with a steam cleaner is not possible
- Discoloration and scratches can occur
Tolentino9 Oct 2020 13:13
I really appreciate @KlaRa’s expertise and detailed answers.
However, there is one thing that has been bothering me for some time. You might not even realize it or how it comes across; maybe it truly reflects your experience, but your remarks about wives and keeping the peace at home come across as condescending and chauvinistic (actually, even sexist). There are men who have a strong desire for flawless and aesthetically pleasing craftsmanship, just as there are women who take on DIY projects.
If it had happened once, I wouldn’t have said anything, but since you’ve used this phrase so often, I couldn’t let it pass without comment this time.
So please don’t take it the wrong way; just see it as a friendly note and maybe reflect on it.

On topic: We were also interested in concrete plaster (BetonCire) for the bathroom. Unfortunately, it is almost impossible to find a professional here who does this. Even a tradesperson recommended by BetonCire didn’t even have time for an initial consultation. There wasn’t even a cost estimate.
So now we’ll just go with tiles (installed).