Surface Accuracy
Surface accuracy is defined as the relative difference in elevation over prescribed distances. In simpler terms, it is a measure of the flatness of a surface.
Owing to the nature of flooring materials and the construction processes involved, it is practically impossible to construct floor surfaces that are completely flat (true to datum) – that is, without any deviations in surface flatness or regularity. Small deviations within prescribed limits are however acceptable for different flooring surfaces.
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