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Thickening

Slab thickening may be incorporated into the slab where:

  • load bearing internal walls occur
  • the wall is more than 1 metre away form the nearest internal stiffening beam.

This is done to strengthen this part of the slab. The slab thickness is increased to 150 mm for a width of 500 mm.

Diagram of a concrete slab with both load bearing and non-load bearing walls. The concrete slab has additional reinforcement and has a 500 mm width of additional slab thickening.