Do You Have A Screeding Project We Can Help With?

With the variety of screeding options now available and with all the complicated industry jargon involved, it is only natural if you get a little lost when trying to choose the right screed for your project. In an effort to explain the different screed constructions in a simplified form, we have created diagrams of the different types of screeds in sectional format for you. We hope you will find this information helpful in choosing the right specification for your screeding project.

Screed construction is generally of 4 types:

  • Bonded Screed
  • Unbonded Screed
  • Floating Screed
  • Screed over underfloor heating

Floor Screed


This is the type of screed where the screed layer is bonded fully to the substrate using a primer or bonding agent. This type of screed is ideal for thinner section screeds where heavy loading is expected.

As the name suggests, unbonded screeds are not bonded directly to the base, but applied to polythene/ Damp Proof Membrane (DPM) laid on top of the concrete base. This is ideal for thickness greater than 50mm for standard screed and 40mm for modified screeds such as FlexiDry.

For this type of screed, the screed layer is laid on top of insulation to create thermal insulated flooring. This is mostly used in the flooring with underfloor heating systems and residential properties.

This is the screed construction where the screed layer is installed over underfloor heating pipes, on top of insulated tackerboard or insulation with separating layers.

For a comparative study of the different screed structures, please click the image bellow for a PDF download:

Live News



A visit to the Mill Road project today. Nearly there for Block 01 which has been challenging from a logistical point of view. The sand had to be delivered in bulk bags and craned over the building to a location at maximum reach. #logistics #screedcontractor #screedingnewhomes #cambridge #constructionuk ...

Making good use of our @armorgard cutting station at the CSC HQ and supplied by @adafastfixltd. The team at CSC prepare most of our steel angles off site where possible and arrive at the job ready for fitting. #organised #steelangles #cuttingstation #armorgard #adafastfix #screeding ...

One of the CSC delivery trucks in London this morning. Keeping the screed teams going with just in time deliveries. #cscscreeding #logistics #cpguk #screedcontractor #screed #screeding #constructionuk ...

Two pumps setup at this prestigious London project. Our Mörtel Meister screed pumps with hydraulic skips and remote control shovels make for efficient mixing and pumping of the Isocrete K Screed System. #cscscreeding #cpguk #isocretekscreed #mortelmeisteruk #screedpumps #screed ...

Back at the CSC HQ, we’re preparing for another busy day. A few of the Mörtel Meister Screed Pumps and delivery trucks, ready for action. #screedcontractor #cscscreeding #screedpumps #screeding #constructionuk #logistics ...

Metal stair treads done at The Hangar Building. This opens up the safe access and egress from the 1st to the 2nd floor, in two locations. #access #screeding #screedingcambridge ...

Back to the Wing 1b project to screed three more new homes. This phase consists of 64 new homes of which 5 are classified as Passivehaus. #cscscreeding #screedingnewhomes #screedingcambridge #screedcontractor #reputablecontractor #screed #newhomes #buildinguk #constructionuk ...

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Our Construction


CSC Screeding are members of Constructionline, CHAS and Builders Profile where a predefined Health & Safety questionnaire is pre-completed and our clients have direct access to the information. Documents contained in the pre-qualification system are updated throughout the year, ensuring continued compliance. We have focused on developing the business through constant innovation, implementation and collaboration. We are now ready for the business to grow with the increasing demand.

CSC are delighted to have installed specialist software systems to better manage project costs and an efficient Estimating process. The tried and tested system has given us complete control over project cost management, giving us instant CVR reports, automated CIS management, a huge amount of reporting can be presented in many ways. The system is user friendly, ensuring a fast adoption by new employees.

We are continuing to develop our core information system and have embarked on a performance rating module. This will give us the ability to actively monitor performance right across the company. From internal appraisals to client feedback, we’ve got it all in hand. CSC will use the performance data to actively monitor our quest of becoming The Leading Provider and Educator of Floor Screeding Services in the South East.