An even substrate would mean that there are no major surface deviations, imperfections or irregularities such as bumps and depressions.
For example, holes left by the removal of carpet tack strips would cause a concrete substrate to be uneven.
An even substrate would mean that there are no major surface deviations, imperfections or irregularities such as bumps and depressions.
For example, holes left by the removal of carpet tack strips would cause a concrete substrate to be uneven.