Tiling of uneven surfaces

Common issues and queries you can face

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Achieving a flat finished

Using a notched trowel at a constant angle provides an even distribution of adhesive onto the substrate. If the tiles are all bedded with a similar force they should be at the same height with only minimal unevenness. 

However, if the substrate is not properly leveled, there is a higher chance that some edges will dent and stand out of the final surface.

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Filling multiple holes

Localized deep holes, may result in a bed thickness that exceeds the specification for a thin bed adhesive application. Patching and leveling such holes and slumps can be time consuming if they are numerous.

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Combination of problem

In some instances, when tiling over a layer of existing ceramic tiles, the mentioned problems may be combine all at once, which will require that some of the tiles to be removed.

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Some natural stones vary in thickness

Non calibrated natural stones are stones that have been split along their natural fracture planes rather than machine cut. The result is a stone that varies in thickness and varies from other stone pieces. These types of stones require an adhesive that can be applied at a greater thickness than normal.