Throughout the house, self-leveling floors were poured on the bare concrete floor. The floor was previously cleaned and vacuumed to remove any major irregularities. The floor was poured, with a minimum thickness of 5 millimeters.
But. They forgot to prime the subfloor. And sentences such as "If the floor is not primed, there may be serious problems with operation in the future" on specialized websites are now very confusing.
The question is: how serious is it? Is it critical that the floor was poured without a primer? What can happen?