Floor screed installation begins with choosing the right system. Liquid flowing screed suits large areas and underfloor heating, while traditional and fast drying screeds can be better suited to specific depths, programmes and floor constructions. The main process is consistent, but the preparation and finish depend on the system used.
1. Inspect and prepare the subfloor
The subfloor is checked for stability, cleanliness, moisture and level. Depending on the specification, the installation may include insulation, a separating membrane or a damp proof layer. Around walls and fixed structures, perimeter edging allows the screed to move appropriately.
2. Set the finished floor level
Accurate levels are marked before installation. This is especially important in London renovations, Victorian terraces and extensions, where existing floor heights and door thresholds can vary.
3. Prepare underfloor heating
Where underfloor heating is installed, pipes must be securely fixed and tested before screeding. The selected screed and required cover should be confirmed as part of the floor specification.
4. Place and level the screed
Traditional screed is mixed, spread, compacted and levelled using guides and straightedges. Liquid screed is pumped into place, allowed to flow and then levelled using the appropriate installation method. Professional checking throughout is essential to achieve the required flatness.
5. Cure and prepare for the final floor
The screed must cure and dry according to its type, thickness, site conditions and manufacturer guidance. Flooring should only be installed once moisture levels are suitable for the chosen finish.
If you are unsure which system suits your project, our London floor screeding services can provide practical advice based on the floor build up and final finish.
For homeowners, builders and developers across London and the South East, request a fixed price quote from London Floor Screeding for accurate preparation, quality workmanship and clear communication from start to finish. Contact us today!
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