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
Understand the key differences in composition, application and performance.
Compare traditional, flowing, and fast-drying screeds for your build.
Get the right mix design for CT-C strength classes.
Sourcing, storing, and handling screed materials on site.
Detailed comparison of liquid and semi-dry screeds.
Pros and cons of factory-batched versus hand-mixed screeds.
When and how to specify granolithic screeds for high-traffic applications.
Key considerations for calcium sulphate screeds.
Underfloor Heating & Screeds
Screed types, depths, and commissioning for UFH systems.
Design joints and accommodate thermal expansion.
Diagnose and fix common UFH screed issues.
Preparation & Installation
Prepare concrete slabs, DPMs, and insulation layers.
The difference between level and flat, and how datums affect specification.
Pumped screed delivery — equipment, setup, and best practice.
Essential tools, equipment, and team skills needed.
Compare fibre reinforcement and steel mesh options.
Strategies for minimising cracking through joint design and curing.
Coordinate screeding with other trades in your programme.
Practical checklist for site managers — from prep to sign-off.
Testing, Drying & Quality Control
Drying rates and how to manage moisture on site.
BRE screed tests, moisture measurement, and interpreting results.
Diagnose damp screed issues and remedial options.
Standards & Compliance
Key British and European standards for screed specification.
What SR classifications mean and which suits your project.
Protection, Curing & Durability
Critical steps for the first 7 days after pouring.
Protect screed edges at doorways, joints, and transitions.
Screeding in cold weather — temperature limits, protection, and planning.
Curling, cracking, debonding — and how to prevent them.
What causes dry joints and how to avoid them.
Troubleshooting & Floor Finishes
Assess and prepare old screeds before overlaying new finishes.
Adhesion, priming, movement joints, and timing.
Why floor coverings fail and how to prevent it.
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