Hello, how is it possible that almost all non-load-bearing partition walls in my house have developed horizontal cracks overnight? The walls were built using 11.5 cm (4.5 inch) and 17.5 cm (7 inch) hollow concrete blocks. I know there are wallpapers that can hide these cracks, but I am concerned about the bathrooms that will be tiled. The structural engineer says these cracks can be caused by the sagging of the ceilings and are not a cause for concern. Should I believe that?


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marco24035 Jul 2021 10:16These are not plaster cracks but wall cracks. The cracks can be seen from both sides.