Quality Gen 3/C20 Concrete Suppliers in Sheffield

We're Sheffield's top concrete suppliers at National Mini Mixers, offering reliable, efficient, and quality C20 concrete mix. We're committed to providing solutions that'll support your construction needs.

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For over 38 years, National Mini Mixers has reliably and efficiently provided top-quality ready mix concrete in Sheffield. We provide quality assured C20 concrete Mix, tailored to your exact requirements at a competitive price. Our core values revolve around providing reliable, efficient, and high-quality service. Trust National Mini Mixers for your concrete needs and experience the difference in quality and service.

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Benefits of C20 Concrete Mix

C20 concrete mix is a versatile, low-strength form of concrete ideal for a variety of domestic and commercial applications. Its primary benefits include:

Concrete Calculator

Use our concrete calculator to calculate the exact volume of concrete you need for your job. If you are unsure on how to calculate just click on the 3 boxes and enter your length, width and height. The calculator will then multiply the numbers and provide you with the appropriate equation. If you have any questions please do not hesitate to contact us

Concrete Calculator

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Length

Depth

Strength of C20 Concrete

GEN3/C20 concrete has a compressive strength of 20 MPa after 28 days. This makes it a good choice for medium-duty projects that need to be durable and long-lasting.

GEN3/C20 concrete, also called Grade 20 concrete, is a strong and versatile mixture used for moderate to heavy load-bearing projects. It has a good balance of strength and workability, making it suitable for both residential and commercial use.

Concrete Pumping

Ready Mix Concrete

Domestic Concrete

Commercial Concrete

Perfect Applications for C20 Concrete Mix

C20 is particularly well-suited for:

Domestic floors: Particularly where a covering like tiles will subsequently be added.

Oversite concrete and blinding: Ensures a solid base in construction projects.

Pathways and driveways: The strength of GEN3/C20 can handle light to moderate traffic, perfect for residential areas.

Foundations for large walls, garages, extensions: Provides the necessary durability for supporting heavier structures.

Why Choose National Mini Mixers for Your C20 Concrete Mix?

Choosing National Mini Mixers means partnering with a supplier that has over 35 years experience in the field,  prioritising quality and customer satisfaction. Every one of the mixes that we supply comes from a QSRMC accredited plant and conforms to British Standard BS8500-2.

This means that for every 50 – 100 metres of concrete that is produced, a cube sample (a small cube shaped box full of concrete) is taken to a lab and crush-tested to see if it has the compressive strength to stand up to the newton force that corresponds to the mix’s designation. C20 has to withstand 20 newtons of force.

Here’s why you should consider us for your C20 concrete needs:

Consistency & Quality

We use only the highest quality materials and strict mixing processes to ensure each batch of C20 concrete is up to standard.

Time Efficiency

We pride ourselves on our swift delivery services across South Yorkshire and surrounding areas, ensuring your project proceeds on schedule.

Expert Guidance

Our experienced team is here to provide advice and support to ensure you choose the right type of concrete for your project.

Competitive Pricing

We offer the best prices without compromising on quality, making us the go-to supplier in the region.

National Mini Mix
4.3
Based on 16 reviews
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Jean PeacheyJean Peachey
16:32 17 May 23
Great service today to Chapeltown drop arrived on time,no fuss as access was tight(Think driver was Matt??)to where we wanted it.Many Thanks 👍👍
Gary PhillipsGary Phillips
07:30 15 Dec 22
brilliant company spoke to lee the boss i found him very knowledgeable he gave me the right information and amount of concrete i needed for my job & fast delivery i would happily use national mini-mix again over any of the other companies i spoke to !!! A+++10/10
angus bangus b
15:16 02 Jul 21
MrHidiboMrHidibo
19:42 20 Jun 21
I’ve never done anything with concrete, was recommended to these, but had a ring round anyway these guys were best in price, spoke to someone in the office explained what I needed they helped me work out how much concrete I needed for the job , I hired there pump, the truck turned up two lads were out and had the pipe laid all the way to the bottom of my garden no messing few min later other truck was here and the concrete was flowing after they finished with the pumping they got there stuff cleaned up the tiny bit of mess and we’re gone as if nothing happened can’t fault Em. Even advised me haw to wet it down and keep it from cracking in the heat thanks lads great job
lee jeonneylee jeonney
20:21 27 Apr 21
Express Paving LtdExpress Paving Ltd
21:19 14 Mar 19
We have used this company for the past 18 years-without a doubt they provide best concrete in Sheffield and we wouldn’t use any other company. All staff are professional and friendly, concrete is always delivered on time and is mixed to high quality standards. Great company would definitely recommend!
ryan wardryan ward
08:34 21 Feb 18
As for for Sarah Thornton comment we take this on board but u got to appreciate that we have to get in to tight places which could mean holding traffic up in our 26 ton lorrys to delivery our products in safely manor
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Concrete Calculator

Use our concrete calculator to calculate the exact volume of concrete you need for your job. If you are unsure on how to calculate just click on the 3 boxes and enter your length, width and height. The calculator will then multiply the numbers and provide you with the appropriate equation. If you have any questions please do not hesitate to contact us

Concrete Calculator