Knowledge Hub

Screedworks Knowledge Hub

Expert guidance on floor screeding — from specification and installation through to testing, protection and finishing. Written by industry professionals to help you get the best results on every project.

Floor Screeding Fundamentals


The Difference Between Concrete and Screed

Understand the key differences in composition, application and performance.

Choosing the Right Screed for Your Project

Compare traditional, flowing, and fast-drying screeds for your build.

Screed Mix Ratios & Strength Classifications

Get the right mix design for CT-C strength classes.

Screed Materials Guide: Cement, Aggregates & Storage

Sourcing, storing, and handling screed materials on site.

Flowing vs Traditional Screeds: Head-to-Head

Detailed comparison of liquid and semi-dry screeds.

Ready-Mix vs Site-Mixed Screed

Pros and cons of factory-batched versus hand-mixed screeds.

Granolithic & Wearing Screed: Heavy-Duty Toppings

When and how to specify granolithic screeds for high-traffic applications.

Anhydrite Screeds: Preventing Sulphate Attack

Key considerations for calcium sulphate screeds.

Underfloor Heating & Screeds


Screeding Over Underfloor Heating: Complete Guide

Screed types, depths, and commissioning for UFH systems.

Thermal Movement in Heated Screeds: Joints & Design

Design joints and accommodate thermal expansion.

UFH Screed Problems & Solutions

Diagnose and fix common UFH screed issues.

Preparation & Installation


Floor Substrate Preparation for Screeding

Prepare concrete slabs, DPMs, and insulation layers.

Surface Accuracy & Datums: Floor Levels vs Flatness

The difference between level and flat, and how datums affect specification.

Complete Guide to Screed Pump Operations

Pumped screed delivery — equipment, setup, and best practice.

Right Tools & People for Successful Screeding

Essential tools, equipment, and team skills needed.

Screed Reinforcement: Fibres, Mesh & When to Use Each

Compare fibre reinforcement and steel mesh options.

Preventing Screed Cracks: Joints & Reinforcement

Strategies for minimising cracking through joint design and curing.

Screed Project Planning: Timing, Trades & Programme

Coordinate screeding with other trades in your programme.

On-Site Supervision Checklist for Screeding

Practical checklist for site managers — from prep to sign-off.

Testing, Drying & Quality Control


Screed Drying Times & Moisture Management

Drying rates and how to manage moisture on site.

Screed Testing Guide: Methods & Standards

BRE screed tests, moisture measurement, and interpreting results.

Damp Screed Problems: Moisture & RH Solutions

Diagnose damp screed issues and remedial options.

Standards & Compliance


British Standards for Screeds: BS 8204 & BS EN 13813

Key British and European standards for screed specification.

Understanding Surface Regularity: SR1, SR2 & SR3

What SR classifications mean and which suits your project.

Protection, Curing & Durability


Protecting & Curing Freshly Laid Screeds

Critical steps for the first 7 days after pouring.

Screed Edge Protection: Preventing Damage

Protect screed edges at doorways, joints, and transitions.

Winter Screeding: Cold Weather Guide & Checklist

Screeding in cold weather — temperature limits, protection, and planning.

Common Screed Failures & How to Avoid Them

Curling, cracking, debonding — and how to prevent them.

Dry Joints in Screeds: Causes, Prevention & Repair

What causes dry joints and how to avoid them.

Troubleshooting & Floor Finishes


Preparing Existing Screeds for Floor Refurbishment

Assess and prepare old screeds before overlaying new finishes.

Tiling Onto Screed: Preventing Tile Floor Failure

Adhesion, priming, movement joints, and timing.

How Floor Finishes Fail: Screed-Related Causes

Why floor coverings fail and how to prevent it.

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