Browse Forums Home Finance the step up is 30mm and wanting it to be flat . how much does the concrete have to be lowered .we plan on removing bath and lenghten shower and adding seat. the old bath… 0 11837 Do I need to concern about this pattern of crack? Is this crack showing some signs of bigger problems? Thanks for any suggestions! 1 1917 Take a pick with a level sittingo n the slab and a pick with a level sitting on the sill please. This will help us diagnose the issue and therefore a solution. RE,… 8 9399 |