ᐅ Skim Coating to Level 2 / Two Coats of Paint – Is That Sufficient?
Created on: 10 Apr 2022 09:19
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Elias_dee
We received the following offer for our single-family home – is this quality sufficient, or should we pay extra for Q3? Or is it acceptable if Q2 is painted twice?
"All interior wall surfaces of the brick masonry will receive a skim coat of lime gypsum plaster. The walls in wet rooms will be finished with a lime-cement plaster. Corner protection strips will be installed on external edges and reveals. Movement joints will have movement profiles. Interior plaster surface quality Q2. The ceilings in the living areas will be fully and securely filled. Wall and ceiling surfaces will receive a two-coat opaque dispersion paint finish in white."
"All interior wall surfaces of the brick masonry will receive a skim coat of lime gypsum plaster. The walls in wet rooms will be finished with a lime-cement plaster. Corner protection strips will be installed on external edges and reveals. Movement joints will have movement profiles. Interior plaster surface quality Q2. The ceilings in the living areas will be fully and securely filled. Wall and ceiling surfaces will receive a two-coat opaque dispersion paint finish in white."
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Elias_dee10 Apr 2022 14:15MaxiFrett schrieb:
As far as I understand, it depends on the plaster.
Lime-cement plaster is vapor-permeable and chemically bonds with silicate paint through a process called “silicification.” Silicate paint naturally has fungicidal properties due to its high pH level.
Dispersion paint is the “standard” paint you usually find in hardware stores. It does not chemically bond with the plaster but simply coats it. Fungicides are added if necessary.
There are also hybrid forms.All right. Thanks for the kind reply!
The silicate paint commonly used indoors is dispersion silicate paint. It can be applied throughout the house, including on drywall, for example. Depending on the surface, the manufacturer recommends priming first, but it also works without priming.
You just need to consider whether you prefer having synthetic material on the wall or a mostly mineral-based product. Both have their advantages and disadvantages. Personally, I only use silicate paints in my home.
You just need to consider whether you prefer having synthetic material on the wall or a mostly mineral-based product. Both have their advantages and disadvantages. Personally, I only use silicate paints in my home.
Oetzberger schrieb:
I can’t understand the trend towards perfectly smooth, baby-bottom skin walls...Is that really a trend?!
I prefer walls that are nicely even and smooth.
In our case, the walls were filled and sanded twice, and currently they are being painted. Personally, I think it looks really, really good! There is a visible difference compared to our Q2 plaster finish.
HausiKlausi11 Apr 2022 00:15And just to prevent any misunderstanding: Painting (even twice) practically does not affect the texture of the wall. This is only relevant if the intention is to slightly soften some irregularities here and there. Q2 remains Q2. That means visible, even irregular, plaster marks, as this thread clearly shows again: https://www.hausbau-forum.de/threads/kalkputz-verarbeitungsspuren-bei-q2-vereinbarung.42943/
We wanted the ceiling to be completely smooth and the walls with a fine texture.
We had everything finished to Q2 level – then decided to have the entire ceiling fully skimmed twice and spray-painted. It looks really amazing and I would definitely recommend it every time.
For the walls, I also recommend applying a base coat plaster (quartz primer) and then a second layer of textured plaster (decorative quartz). Our plasterer advised us to apply another coat, but we didn’t. It still looks fantastic to us now.
We had everything finished to Q2 level – then decided to have the entire ceiling fully skimmed twice and spray-painted. It looks really amazing and I would definitely recommend it every time.
For the walls, I also recommend applying a base coat plaster (quartz primer) and then a second layer of textured plaster (decorative quartz). Our plasterer advised us to apply another coat, but we didn’t. It still looks fantastic to us now.
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