A flat concrete surface is subject to cracking that diminishes both the appearance and durability of the slab. Adding grooves, or joints, minimizes uncontrolled cracking by providing space for ...

Anything that disrupts the floor surface requires restraightening and typically makes the floor less flat. Due to concrete shrinkage and slab curling, FF/FL numbers diminish with time ...

And ice rink slabs demand tight floor flatness and floor levelness specifications due to the importance of a flat ice surface. Deviations in the flatness of the concrete will be reflected on the ...