Hello, I recently bought a house and am currently renovating.
Since the old interior plaster is partly crumbling and there are many drill holes, I want to apply a new thin plaster layer (1mm-2mm (0.04-0.08 inches)) over the existing plaster.
However, I’m not sure if 1 to 2 mm (0.04 to 0.08 inches) of plaster will properly adhere to the old plaster, as I’m concerned about cracks or the plaster flaking off after a year.
Which type of plaster would be best? Are there any alternatives? And what else should I consider?
Thanks in advance.
Best regards, Chris
Since the old interior plaster is partly crumbling and there are many drill holes, I want to apply a new thin plaster layer (1mm-2mm (0.04-0.08 inches)) over the existing plaster.
However, I’m not sure if 1 to 2 mm (0.04 to 0.08 inches) of plaster will properly adhere to the old plaster, as I’m concerned about cracks or the plaster flaking off after a year.
Which type of plaster would be best? Are there any alternatives? And what else should I consider?
Thanks in advance.
Best regards, Chris
Hello Chris!
It would be interesting to know what kind of plaster you have; most likely, I would guess a standard mortar plaster.
If that is the case, you could use two products.
You could cover the walls with gypsum filler or
You could smooth the walls with fine plaster.
Best regards.
It would be interesting to know what kind of plaster you have; most likely, I would guess a standard mortar plaster.
If that is the case, you could use two products.
You could cover the walls with gypsum filler or
You could smooth the walls with fine plaster.
Best regards.
Hello Chris!
Yes, it’s true that there is a calcium silicate plaster.
Regarding the finishing plaster, I want to keep it simple to handle and explain.
For example, there is the Sanova ready-to-use finishing plaster available in bags. You mix it to a cream-like consistency. Using a smoothing trowel, apply the finishing plaster evenly onto your existing wall. You’ll know the material has set when you touch it with your finger and it no longer feels sticky.
Then take a sponge float, dip it in water, squeeze out the excess water, and make gentle circular movements over the applied plaster with light pressure.
Of course, instead of a sponge float, you can also use a polystyrene float; the only difference is that you need to dampen the wall with a painter’s brush beforehand.
I hope this helps, good luck with your project.
Best regards.
Yes, it’s true that there is a calcium silicate plaster.
Regarding the finishing plaster, I want to keep it simple to handle and explain.
For example, there is the Sanova ready-to-use finishing plaster available in bags. You mix it to a cream-like consistency. Using a smoothing trowel, apply the finishing plaster evenly onto your existing wall. You’ll know the material has set when you touch it with your finger and it no longer feels sticky.
Then take a sponge float, dip it in water, squeeze out the excess water, and make gentle circular movements over the applied plaster with light pressure.
Of course, instead of a sponge float, you can also use a polystyrene float; the only difference is that you need to dampen the wall with a painter’s brush beforehand.
I hope this helps, good luck with your project.
Best regards.
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