Noble stain plaster on Lime plaster

[devnull]

I have a Myresjöhus from the 1940s.

The house was originally rendered with lime plaster on reed mats and underneath it standing wood planks.

In 1978, the previous owner re-plastered the house with noble splash plaster KC-plaster. As far as I know, this was not done entirely correctly, but it was like that in the 1970s.

When I have to re-plaster the house, should I then knock down all the splash plaster? and then use lime plaster. Or can I continue plastering with new splash plaster (KC-plaster)?

Is there anyone who has had the same problem?

 

[devnull]

Hi Harrys,

Thank you for your response. My conclusion is to first repair the plaster with lime plaster and then with the KC-splash plaster. I have a manual plastering machine for the splash plaster (Optiroc Serpo 201).

Regarding a complete replastering of the entire property, do you have an idea of what it would cost to hire a professional to switch to lime plaster? The lime plaster is applied on reed mats against planks. If you also have information on what a replastering with KC plaster would cost, I would appreciate it.

The plastering area is about 300 square meters.

 

[Tommy_S]

If the KCputsen remains, there's no reason to remove it, right? It becomes very expensive if everything has to come down.

If you're not a historic preservation fanatic, you can just repair what's bad?!

 

[Tommy_S]

I agree, you can only repair. But the question is how sustainable it becomes with KC plaster on lime plaster in the long run??? You don't have to be a building conservation fanatic to want the house whole and nice.

No, indeed. But at the same time, there is a veeeery big cost difference between repairing and redoing. If most of the plaster is still there after 30+ years, it will probably stay in the future too.

KC plaster can actually be so hard that it is loose but still stays!