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Q-Mix Concrete Mix Guide

What is Concrete?

Concrete is the most commonly used man-made material on earth. It is an important construction material and we’re here to provide you with the best quality concrete every time.

Concrete is a composite material, both strong and durable, made up of three basic components: water, aggregate (rock, sand, or gravel) and cement.

Concrete is categorised by its 28-day crushing strength. Our helpful guide below will assist you in your selection of the concrete for your project.

Please note this is only a guide. Please check with your project manager or one of our expert team members before ordering your concrete.

C8/10 - ST1, ST2

This concrete is moderately weak and used in projects where the firm base is needed but no real structural strength is desired.

Ideal for: drainage works, the foundation for steps, floor blinding and void filling

C12/15 - ST3

This concrete is suitable for house floors with no embedded metal where a non-permanent finish will be applied e.g. carpet.

Ideal for: internal floor slabs and blinding, and lightweight kerbing jobs.

C16/20

This concrete is widely used for a range of lightweight and domestic applications.

Ideal for: paving for patios, greenhouses, fence posts and kerbing

C20/25 - ST4

This concrete is also popular and in high demand. It is used throughout lightweight commercial and domestic projects. Its use and versatility are increased when combined with a reinforcement.

Ideal for: garden wall foundations, foundations & reinforced bases and hot tubs & shed bases.

C25/30 - ST5

This concrete is often used in external paving and floor slab construction.

Ideal for: house foundations, workshop bases, kennels and reinforced hard standings.

C28/35

This mix covers a broad range of domestic and commercial applications.

Ideal for: driveways & garage floor slabs, reinforced house foundations, agricultural storage areas and foundations for retaining walls.

C32/40

This concrete can be used where high structural strength and support is needed and when large heavyweights will be applied.

Ideal for: Hydro dam applications, HGV parks, agricultural & farming yards and structural beams.

C35/45 & C40/50

This concrete mix is typically used in specialised projects where high strength and support is a necessity.

Ideal for: wind turbine bases and heavy industrial applications.

If you need any customised concrete mixes or you need help selecting the right mix please contact us today to get more help from one of our concrete experts.

AREAS WE COVER

Q MiX Concrete main ready mix concrete depot is perfectly located on the M25 junction 29 roundabout this prime location allows us to offer a collection service and deliver in and around London, Essex, Kent and Hertfordshire with supreme efficiency making the hard stuff easy.

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