What floor depth is required for the UniSlope 1K, and does it work in period property conversions?
The UniSlope 1K requires a minimum installation depth of 64mm, measured from the top of the existing subfloor to the finished tile surface. This dimension includes the gradient board, drain assembly and finished floor covering. Vertical outlet options are also available where horizontal drainage runs are restricted.
Compared with traditional screeded wet room constructions, the pre-formed design can significantly reduce the overall floor build-up required to create the necessary falls. This can make UniSlope 1K particularly suitable for refurbishment projects where floor depth is limited.
The system is frequently specified for period property conversions, where floor-to-ceiling heights, existing floor structures and threshold levels often restrict the scope for raising floor levels. Because the gradient is built into the board, there is no requirement to form falls using a separate screed layer, helping to minimise additional floor build-up.
As with any wet room installation, the suitability of the existing structure should be assessed before specification. On timber floors, joists and subfloors should be capable of supporting the finished installation and providing sufficient rigidity for tiled finishes. On concrete floors, adequate depth must be available for the drainage connection and any associated pipework.