What type of concrete do I need? A simple guide for builders and DIY projects
Whether you’re laying a new driveway, building a garden shed base, or pouring small foundations, choosing the right type of concrete is essential to ensure your project lasts. But with so many concrete grades and mixes available, it can be difficult to know where to start, especially if you’re doing it yourself.
In this simple guide, we’ll walk you through the most common ready-mixed concrete options and help you choose the best mix for your next DIY task.
Why the right type of concrete matters
Concrete isn’t a one-size-fits-all material. The type of mix you use will determine:
- Strength and durability
- Setting time
- Weather resistance
- Suitability for specific structures (like footings, floors, or driveways)
Using the wrong mix can lead to cracks, poor load-bearing, or early wear and tear: all of which can cost you more in the long run.
What is ready-mixed concrete?
Ready-mixed concrete is delivered pre-mixed to your location, so there’s no need for on-site blending or guesswork. It’s ideal for DIY projects because it’s:
- Easy to use
- Consistent in quality
- Time-saving and efficient
At Hills Quarry Products, we offer a range of ready-mixed concrete tailored to home improvement and small-scale building projects.
Common types of concrete and their uses
Not sure which type of concrete you need? Here’s a quick guide to the most common UK concrete grades and how they’re used:
|
Concrete Grade |
Strength (n/mm²) |
Common Uses |
|
C8/10 (GEN 1) |
10 |
Domestic foundations, cavity filling |
|
C16/20 (GEN 3) |
20 |
Domestic foundations, internal floor slabs, domestic garage floors |
|
C25/30 |
30 |
Larger building foundations |
|
C28/35 |
35 |
Driveways, patios, external slabs |
|
C40 |
40 |
Structural work, beams, heavy-duty slabs |
|
RC32/40 |
40 |
Reinforced concrete applications, load-bearing structures |
|
RC40/50 |
50 |
High-strength reinforced elements, columns, industrial flooring |
What type of concrete do I need?
Choosing the right mix depends on your project type:
- Patios or garden paths: Use C15 or C20 — durable enough for foot traffic and light garden use.
- Shed bases or small extensions: C20 or C25 is ideal for supporting a structure over time.
- Driveways: Opt for C30 to handle regular vehicle use and weather exposure.
- Concrete steps or ramps: Use C25 or above, especially if they’ll bear weight or see frequent use.
Tip: If your project will include reinforcement (like steel mesh), you might need a slightly stronger mix.
If you’re unsure, our expert team can help you choose the perfect ready-mixed concrete for your specific task.
Tips for ordering the right concrete
- Measure accurately: Know your required volume (in cubic metres) to avoid over- or under-ordering.
- Check access: Ensure our delivery vehicle can reach the pour area safely and efficiently.
- Consider additives: For certain conditions, you might benefit from retarders (slow setting) or fibres (extra strength).
Safety comes first
Working with concrete can be straightforward, but it still involves manual handling, chemicals, and tools that carry risks. Before starting any DIY concrete project, always:
- Wear proper protective gear: gloves, safety glasses, sturdy footwear, and long sleeves to avoid skin irritation or burns.
- Use safe lifting techniques: ensure you follow manual handling best practices when moving heavy materials or equipment.
- Handle wet concrete with care: prolonged skin contact can cause chemical burns.
- Work in well-ventilated areas: ensure there is good airflow when using additives or when mixing indoors.
- Follow all safety guidelines for tools and machinery (e.g., mixers, wheelbarrows, vibrating pokers).
- Check your local building regulations: ensure your project meets legal and structural requirements.
If in doubt, and you’re unsure about any aspect of the process, it’s best to consult a professional builder or concrete specialist before proceeding.
Need ready-mixed concrete delivered?
We deliver ready-mixed concrete to homes and building sites across Berkshire, Devon, Dorset, Gloucestershire, Oxfordshire, Wiltshire and nearby areas. Whether it’s one load for a driveway or a regular supply for multiple small projects, we’ll make sure you get the right mix, on time.
Not sure what you need?
No problem. At Hills Quarry Products, we’re here to help. If you’re still unsure which ready-mixed concrete is right for your DIY project, just give us a call or drop us a message. We’ll recommend the most suitable mix based on your project’s size, load requirements, and location.
