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  BU592 Concrete slab-on-ground floors

BU592.jpgDurable concrete with little or no shrinkage cracking is of prime importance to homeowners, who expect that the concrete floor of their house will continue to perform well beyond the 50-year minimum design life the New Zealand Building Code requires.

This bulletin outlines the specifications and levels of workmanship required to minimise cracking in residential concrete slab-on-ground floors.

The bulletin covers:

  • concrete supply
  • compaction
  • finishing
  • curing
  • concrete strength and durability
  • shrinkage reinforcement
  • shrinkage control joints
  • shrinkage control joint spacing.

Publication date: December 2015 Keywords: concrete, floor, joint