I am going to have a straight staircase between the wooden post and the leca wall that is coming in a month. What's the best/easiest way to make the wall that will span two floors to avoid cracks?
The surface layer will be plaster. The floor above is intended to be a wooden frame with OSB + 12mm plaster. On the lower floor, I thought of gluing a plasterboard with gypsum plaster (after reading about it in other threads here).
1.
Should I forget about having a continuous wall and instead let the plasterboards meet at the wood/leca and then put a cover strip over it?
2.
Or can I make it crack-free as long as I ensure the floor structure has good support against the leca wall at many points?
The easiest then is to have an upright sheet at the bottom and one on the upper floor, but is it better to make sure the joint is higher or lower instead of right at the wall/wood transition? (More work).
It will not be a designer staircase or a central place in the house, which suggests using a cover strip. But I still wonder what possibilities there are when I'm building new.
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