C20 This mix is used for footings in house construction, where the ground is soft or unstable. It can also be used as the slab foundation for the floors of houses and bungalows, also as a base for hard-standings and pathways.
House floors with no embedded metal GEN1 Equivalent strength C10
House/garage floors containing embedded metal RC30 Equivalent strength C30
Permanent finish to be added eg screed or floating floor GEN1 Equivalent strength C10
Garage floors with no embedded metal GEN3 Equivalent strength C20
