5.1 Substructure and ground-bearing floors

Also see:

3.1

5.1.17 Ground floor slab and concrete

Ground-bearing floors shall be of adequate strength and durability, and use concrete mixed and reinforced as necessary to support floor loads safely and resist chemical and frost action.

Ground-bearing concrete floor slabs should be at least 100mm thick, including monolithic screed where appropriate.

Last updated: 2nd January 2024

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