Ready Mix Concrete and Liquid Screed: What’s the Difference?

28 April 2025 4 min read

Ready Mix Concrete and Liquid Screed: What’s the Difference?

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.

Order ready-mix or volumetric concrete today
Free, fast quote within 24 hours
Call, message or complete our simple online form

Flowmix Tewkesbury: Tel: 01684 217888 Flowmix Walsall: Tel: 01922 741731

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

Order ready-mix or volumetric concrete today
Free, fast quote within 24 hours
Call, message or complete our simple online form

Flowmix Tewkesbury: Tel: 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?

  1. Gyvlon Liquid Screed: Gyvlon is suitable for floating, unbonded, or bonded construction and perfect for underfloor heating application
    Learn about Gyvlon Liquid Screed.
  2. 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

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.
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 AreaWalsall Area
Bourton-on-the-WaterAldridge
BrockworthBarton-Under-Needwood
ChalfordBirmingham
CheltenhamBrownhills
Chipping CampdenBurntwood
CirencesterBurton Upon Trent
Droitwich SpaCannock
EveshamColeshill
GloucesterDudley
Great MalvernGreat Haywood
LedburyLichfield
NewentNorton Canes
NorthleachPenkridge
PershoreRugeley
Ross-on-WyeStafford
Stow-on-the-WoldTamworth
StroudWalsall
TewkesburyWest Bromwich
WorcesterWolverhampton

Frequently Asked Questions

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