Last edited 18 Jan 2021

Floor slab

[edit] Introduction

The term ‘floor slab’ usually refers to a floor that has been formed using concrete (and generally steel reinforcement) and may form part of the structure of a building. It may form the floor of a basement, at ground level or at upper levels. It will be typically reinforced, either by rebar or steel fibres, and can be either formed on site or prefabricated. A floor that is made of timber or other material is not referred to as a floor slab.

Concrete slabs that form the ground floor of a building may be either supported on beams (called a suspended slab) or supported directly on the subsoil, (via hardcore, for example) called a ‘ground-bearing slab'.

When a concrete slab forms part of the roof construction of a building, it is normally referred to as the 'roof slab'.

[edit] Types of floor slab

The term 'floor slab' refers to the finished result, but the ways of achieving it are numerous, which means there are different types of floor slab construction. The important point is that it may be referred to as a 'floor slab' irrespective of its formation and its inclusion of other materials.

A floor slab may be:

For further information on the various floor slab types, read the article on concrete slabs in buildings.

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