Ready mix concrete and liquid screed: Knowing the difference is essential if you’re planning a home project.
Though ready-mix concrete and liquid screed share foundational ingredients – aggregate, water, and cement – they’re distinct materials with different purposes. Their textures and applications vary significantly based on specific project needs.
Think of concrete as the heavyweight champion, built for structural strength. Screed, meanwhile, is the finishing specialist, designed to create those perfectly smooth surfaces. While they might look similar at first glance, these materials serve very different roles in construction.
Let’s cut through the confusion and explore what sets them apart.
What Is Ready Mix Concrete?
Ready mix concrete is a precise blend of cement, water, and aggregates (usually gravel and crushed stone up to 20mm) manufactured at specialised plants.
Ready mix concrete suppliers like Flowmix customises to exact specifications, with potential additives for enhanced strength or faster curing.
Key Features:
- Designed for structural applications
- Delivered ready-to-use in mixer trucks
- Mixed at dedicated facilities under controlled conditions
- Batch consistency through computer-controlled mixing
- Available with various performance-enhancing additives
Main Uses:
- Structural foundations
- Driveways and pathways
- Load-bearing walls
- Shed bases
- Fence posts
What Is Ready Mix Concrete Used For?
Ready-mix concrete excels in structural applications where strength is crucial. It forms the backbone of foundations, driveways, pathways, and fence posts. It’s the go-to choice for external projects that demand serious durability – think shed bases, walls, and heavy-duty paving where failure isn’t an option.
Read: Ready Mix Concrete Suppliers Gloucester: Top Tips
Ready to Order Ready-Mix or Volumetric Concrete?
If you are ready to order a ready-mix concrete delivery, speak to the team at Flowmix Tewkesbury or Walsall. We will help you select the right mix and quantities and arrange for fast delivery to your site.
Flowmix Tewkesbury: 01684 217888 Flowmix Walsall: Tel: 01922 741731
What is Liquid Screed?
Liquid screed revolutionises flow and finish. The proportions make all the difference while it shares basic ingredients with concrete – aggregates, water, and cement.
The secret to liquid screeding is using fewer and smaller aggregates (5-6mm). That creates a more fluid mix that flows easily into place. Think of it as concrete’s smoother, more refined cousin – less chunky, more liquid.
Key Features:
- Flows easily into place
- Self-levelling properties
- Ideal for precision finishing
- Superior thermal conductivity
- Smaller, fewer aggregates than concrete
Main Uses:
- Interior floor finishes
- Leveling uneven surfaces
- Underfloor heating systems
- Areas requiring precise finish
- Commercial flooring projects
What Is Liquid Screed Used For?
Liquid screed excels at creating flawless interior floors. Its fluid nature eliminates lumps and bumps, producing perfectly smooth surfaces – ideal for protecting existing concrete floors.
One standout application is underfloor heating. The screed flows seamlessly around heating pipes, eliminating air pockets and maximising heat transfer in ways traditional screed can’t match.
Need concrete or screed for your project? At Flowmix, we deliver custom-mixed solutions for both DIY and commercial jobs. Contact us to discuss your specific requirements.
Read: Screed and Underfloor Heating: A Complete Guide 2025
What Liquid Screeds Do Flowmix Supply?
- Gyvlon Liquid Screed: Gyvlon is suitable for floating, unbonded, or bonded construction and perfect for underfloor heating application
Learn about Gyvlon Liquid Screed. - Cemfloor Liquid Screed: This fast-drying and self-levelling screed is ideal for underfloor heating. It is compatible with all floor covering products and adhesives.
Learn about Cemfloor Liquid Screed.
Flowmix also provides Traditional screed, a dry mix of sand and cement at a typical ratio of one part cement to four parts sand.
Need Expert Advice?
Speak to the team at Flowmix Tewkesbury or Walsall. We are happy to help with all your concrete requirements.
Flowmix Tewkesbury: 01684 217888 Flowmix Walsall: Tel: 01922 741731
What Are Ready Mixed Concrete And Liquid Screed Used For?
Ready mix concrete and liquid screed serve distinct construction purposes based on their properties:
Ready Mix Concrete:
- Foundations and structural work
- External pathways and driveways
- Shed bases and fence posts
- Load-bearing walls
- Heavy-duty paving
Liquid Screed:
- Leveling surfaces
- Internal flooring finishes
- Underfloor heating systems
- Areas needing ultra-smooth finish
- Spaces requiring precise levelling
The key difference is that concrete provides structural strength, while screed creates the perfect level surface finish.
How Flowmix Can Help With Your Project
FHow Flowmix Can Help With Your Project
Flowmix has two plants, Gloucester and Walsall. We provide the following services (with time slots):
✅ Ready-mix concrete, mix on-site (volumetric concrete)
✅ Traditional and liquid screed.
✅ 200′ Concrete line pump Hire to reduce manual labour and associated costs, increase efficiency, reduce wastage and clean up.
✅ Interlocking concrete blocks for temporary or permanent barriers.
✅ Mini-Mix loads up to 4 cubic metres.
Flowmix has the BSA-approved Ready Mix Concrete Kitemark KM683844, a certification that “confirms a product or service’s claim has been independently and repeatedly tested by experts” (source BSI).
Flowmix Tewkesbury: 01684 217888 Flowmix Walsall: Tel: 01922 741731
Flowmix Delivery Areas
| Tewkesbury Area | Walsall Area |
| Bourton-on-the-Water | Aldridge |
| Brockworth | Barton-Under-Needwood |
| Chalford | Birmingham |
| Cheltenham | Brownhills |
| Chipping Campden | Burntwood |
| Cirencester | Burton Upon Trent |
| Droitwich Spa | Cannock |
| Evesham | Coleshill |
| Gloucester | Dudley |
| Great Malvern | Great Haywood |
| Ledbury | Lichfield |
| Newent | Norton Canes |
| Northleach | Penkridge |
| Pershore | Rugeley |
| Ross-on-Wye | Stafford |
| Stow-on-the-Wold | Tamworth |
| Stroud | Walsall |
| Tewkesbury | West Bromwich |
| Worcester | Wolverhampton |
Flowmix Tewkesbury Delivery Areas
| Bourton-on-the-Water |
| Brockworth |
| Chalford |
| Cheltenham |
| Chipping Campden |
| Cirencester |
| Droitwich Spa |
| Evesham |
| Gloucester |
| Great Malvern |
| Ledbury |
| Newent |
| Northleach |
| Pershore |
| Ross-on-Wye |
| Stow-on-the-Wold |
| Stroud |
| Tewkesbury |
| Worcester |
FAQs
Which Is Better For Underfloor Heating – Concrete Or Liquid Screed?
Ready mixed concrete and liquid screed have different purposes. Liquid screed is ideal for underfloor heating. Its fluid nature ensures better coverage around heating pipes and superior heat conductivity.
How Long Until I Can Walk On New Concrete and liquid Screed?
Ready mix concrete typically needs 24-48 hours before light foot traffic.
Liquid screed usually allows light foot traffic after 24-36 hours, but preferably leave it to dry for at least 7 days.
Can I DIY Concrete Or Screed Installation?
While concrete can be DIY-friendly for small projects, liquid screed requires professional installation due to its specific flow properties and levelling requirements.
Which Is More Expensive? Ready Mix Concrete or Liquid Screed?
Liquid screed typically costs more per square meter than concrete, but installation is often faster and requires less labour.
Can I Use Concrete Instead Of Screed For Indoor Flooring?
While possible, concrete isn’t ideal for indoor flooring finishes. Screed provides better surface quality and is solely for this purpose.
How Thick Should Ready Mix Concrete & Liquid Screed Be?
Ready mix concrete depth varies by application but typically needs 100mm+ for structural use. Liquid screed can be as thin as 25mm for bonded applications.
What Is Ready Mix Concrete Made Of?
Ready mix concrete is a customised blend to exact specifications, combining aggregates, water, cement, and any needed additives for enhanced performance – such as extra strength or faster curing.
Ready mix uses gravel and crushed stone up to 20mm in diameter. These chunky components create the structural backbone that makes this concrete perfect for heavy-duty construction work.
What Is Liquid Screed Made Of?
Liquid screed is a fluid flooring material made from smaller aggregates (5-6mm), cement, and water. Its consistency allows it to self-level, creating ultra-smooth surfaces.
