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Finishing a concrete floor is an extremely time-sensitive & highly skilled task. By the time the concrete slab is ready to finish, it is already in an advanced stage of setting. So, there is only a small time-window available to finish the slab before the concrete hardens. On the other hand, if the finishing operations start too early, there is risk of de-lamination and weakening of the floor surface. Over-panning and over-trowelling can lead to similar problems. Added care needs to be taken if a dry-shake hardener or a coloured hardener is to be used (to increase the floor’s abrasion resistance). Floor levels should be regularly checked in the preliminary stages of finishing, and corrective measures should be taken in areas where the levels are out of specified tolerance. Curing should soon follow once the slab is finished.

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