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    At 3 Counties Concrete we can provide you with a wide range of different types of concrete strengths and types, depending on what you need it for. No matter what kind of project you are working on we can supply you with the concrete, utilising our expertise to help you choose the concrete that will be perfect for the job.

    Here we look at some of the most common types of concrete and what it might be used for, but if you have any further questions on which mixture might be best, or you simply want to talk to someone today about getting a project started, please don’t hesitate to contact us. Our friendly team of experts will be delighted to help you.

    How is concrete mixed?

    Concrete is typically a mixture of cement, water and aggregates. Aggregates such as sand and stone interact with the water and cement to form a mixture that sets very hard and strengthens over the course of a month – the process is known as hydration. Our concrete experts understand how to mix cement in order to end up with the ideal concrete strength meaning that we can offer the range of different concrete as outlined below.

    Types of concrete

    C10 Concrete

    This type of concrete reaches a strength of 10 Newtons in 28 days. It can be used across a range of domestic and construction projects. Typically C10 concrete is used for non-structural construction for elements such as concrete pathways or patio slabs.

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    C15 Concrete

    More sturdy and durable than C10, C15 concrete can be used in high usage areas for everything from floor blinding to kerb mix. It will reach a strength of 15 Newtons over the course of 28 days.


    C20 Concrete

    This is the strength of concrete where it can begin to be used for structural elements of a construction. For example, C20 can be used on domestic floors and foundations for lighter structures. With a strength of 20 Newtons after 28 days, it can also be used for anything from a garage base to driveway slabs.

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    C25 Concrete

    C25 is an excellent multi-use concrete that is ideal for a variety of different commercial and domestic construction projects. With an excellent strength of 25 Newtons in 28 days, it is regularly used for laying foundations for house and bungalow floors.

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    C30 Concrete

    This is a highly durable mix of concrete that can be used paths or roads that see use from heavy vehicles on a regular basis – for example, paths on farms or HGV slipways. At a strength of 30 Newtons after 28 days, C30 is highly resistant to weathering and climate changes.

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    C35 Concrete

    A heavy duty concrete mix that hardens to 35 Newtons after 28 days. Typically used in commercial construction projects where the finished product needs to withstand heavy use. For example, it can perfect for creating walls, external slabs and structural piling. It is also commonly used for agricultural and construction industry buildings including barns and yards.

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    C40 Concrete

    C40 is a very strong concrete grade that reaches a strength of 40 Newtons after 28 days. It can be used for the most heavy duty projects including roads, foundation beams in large buildings and more. It additionally has the durability to withstand harsh chemical environments where it can last against hazardous and acidic chemicals.


    RC30 Concrete

    RC30 Concrete hardens to 30 Newtons. The concrete is mixed up to the European standards and is well regarded for its durability. RC30 is known most for it’s industrial usage, as it can help to build metal foundations.


    Additional Additives

    It may be the case that you also require specific additives to your concrete mix to prepare it for a specific purpose.

    Contact Us

    For more information on the kinds of concrete that we offer or to get in contact about a project, please don’t hesitate to contact 3 Counties Concrete today. You can call us on 01582 250 886 to speak to a friendly member of the team, or you can email and we will get back to you as soon as possible.

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    Concrete Pumping in London by 3CC


    Concrete pumps make it much easier to transfer concrete from the mixer to the exact location needed.

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    Ready Mix Concrete Delivery in London by 3CC


    We make sure to provide you with the exact amount of ready-mix concrete you need. With us, you only pay for what you use.

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    On Site Concrete Mixing By 3CC


    We can mix your concrete onsite at short notice to accommodate for any unexpected changes.

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    Areas We Cover

    We cover all areas in Hertfordshire, Bedfordshire and Buckinghamshire including Luton, Dunstable, Hitchin, Stevenage, Welwyn, St Albans, Harpenden, Hemel Hempstead, Watford and Milton Keynes.