Quality control (QC)
Like any other building product, natural stone requires some controls to ensure its quality.
The checks to be performed on stone products should be done in phases of manufacturing line, supplying and reception at work and are, on the one hand, product liability and, secondly, responsibility of the Project Manager then QM department.
The things should be inspection by QC team due to client’s orders are as below:
- Surface Shiny or honed
- Size tolerance length & wide (+- 1mm)
- Thickness tolerance(+- 1mm)
- Corners (no cheap)
- inside packing of box