ᐅ Which combination of plastering and painting works best?

Created on: 17 Mar 2020 20:10
T
tumaa
Hello everyone,

we are building a two-story house with a finished attic (some work for the attic will take place later), including a mechanical ventilation system with heat recovery.

Regarding the plaster:

I am currently considering cement-lime plaster. A friend who is an architect recommended clay plaster for the living areas, which I find interesting, but it is supposed to be significantly more expensive.

Area for plastering: approximately 550 m² (about 5920 sq ft) = around 7,500 €.

Regarding the painting work:

The ceilings (191 m² / about 2057 sq ft) will be done by professionals, including filling joints and subsequent smoothing.
I planned to just paint the walls (455 m² / about 4898 sq ft, excluding the attic), possibly doing some filling beforehand.

I contacted two painters, and both recommend using fleece on the ceilings and walls to prevent cracks.

Painter A:
- Covering/protection work
- Remove formwork release agent from ceilings
- Priming = prime surfaces with water-based deep primer diluted with water
- Close ceiling joints with mesh tape
- Filling = plaster walls to Q3 level. Apply and smooth the entire surface with gypsum filler, then sand the surface.
- Wallpapering = apply fleece wallpaper butt jointed on prepared surfaces (fleece wallpaper 180 g/m²)
- Painting = paint ceilings/walls twice with dispersion paint.

Wet abrasion resistance: Class 2
Opacity: Class 1
Gloss level: matte

His price = 15,000 €.

Painter B:
- Fill joints three times.
- Apply fleece on ceilings and paint twice.
- Finish corners.
- Fill walls, apply fleece, and paint twice.

His price: 13,000 €.

Possibly doing it myself = I feel confident painting myself, as I painted our current apartment. I think with Painter A I could exclude the painting, but with Painter B that is not possible.

Question:
Regarding the plaster: should I stick with cement-lime plaster?
I find clay plaster interesting, and one plasterer told me over the phone: clay plaster is more expensive, but the painter might have less work.

Regarding the painting work: is using fleece really useful (another painter said cracks will appear regardless)? Is it worth painting myself, or better to have it done professionally?

I want all walls in white, no fancy finishes.

Thanks a lot!!!
H
hampshire
21 Mar 2020 19:37
Yes, the cracks can be easily repaired. Normally, a new building "settles" for a while, and settlement cracks can occur. By making cuts in the corners, it prevents cracks from forming elsewhere – so you have control over where they occur and can fill them once the house has settled.

We preferred a rather coarse texture, so lightly wiping over it is not an issue. Some prefer very smooth surfaces for light-reflective finishes, where even slight wiping can be more challenging.
T
tumaa
23 Mar 2020 23:29
If I stick with the Kz, which one would be optimal? What would be important to me in this case:
- then apply white paint over it
- ecological, low in chemicals (if possible)
T
tumaa
8 Apr 2020 20:47
I confirmed a contractor yesterday:

I’ve made some progress... in the end, it will be either gypsum plaster or gypsum-lime plaster, both from the manufacturer Kna.....

I plan to paint afterwards.

I would prefer the gypsum-lime plaster, but some contractors say that the lime content is minimal, so it hardly makes a difference.

Does anyone have experience with this or is that true?
A
Alessandro
9 Apr 2020 11:59
I cannot contribute much on the topic of gypsum plaster and gypsum-lime plaster. I would have chosen lime-cement plaster, followed by a fine plaster coat, and then painted over it.

Is a primer required for gypsum plaster and gypsum-lime plaster before painting? That can be expensive too.

Regarding ceilings, I would definitely recommend using fleece. It creates a smooth finish and looks excellent. Without fleece, you will never achieve that result and will regret saving money there for a lifetime.
T
tumaa
9 Apr 2020 13:52
Alessandro schrieb:

I can’t contribute anything on the topic of gypsum plaster and gypsum-lime plaster. I would have chosen cement-lime plaster, followed by a fine plaster and then painted it.
Do you need a primer for gypsum plaster and gypsum-lime plaster before painting? Because that’s also expensive.

For ceilings, I would definitely work with fleece. It becomes smooth and looks excellent. Without fleece, you’ll never get it that perfect and you’ll regret trying to save money there for a lifetime.

I will stick with gypsum plaster.....

A painter said that with cement-lime plaster it would need to be puttied twice.......around €4,500 (approx. $4,800).....without knowing the exact prices, I would say that a primer would be cheaper. I want to do it myself.
A
Alessandro
9 Apr 2020 14:21
You just need to be careful not to damage the texture or grain when applying primer and paint over it.