Hi,
I have an apartment from the 60s-70s where between the two bedrooms there are built-in wardrobes from each side. Behind them, there is a wall of light concrete.
Now I have torn down two of these inner wardrobes, about 110cm wide, 60cm deep, and 250cm high.
In a previous residence, I just replaced them with Pax wardrobes.
This time, I was thinking of building a small desk area there, where the plan was just to skim coat them and then paint.
However, I discovered that the sound insulation became much worse between the bedrooms, what is the best way to solve that? Should I put up drywall, MDF or something similar?
I will screw up some overhead cabinets at the top and a countertop for the desk in the opening and paint it in the same color as the room so nothing special. Just the sound that ruined the original plan.