Floor tiling with large tiles

Common issues and queries you can face

Technical constraints

Large tiles are widely used nowadays mostly in showrooms and hallways. This trendy solution needs special application methods and special care (two persons to lay the tiles, back-buttering method mandatory, use of special equipment such as suction pads etc.).

Substrates movement

When the substrate slightly expands or contracts due to changes in temperature or water content such as;

 • Shrinkage in the screed as it dries.

• Thermal expansion in hot weather. 

• Moisture-induced expansions caused by entrapped water. 

• Thermal cycling of under-floor/under-tile warming systems.

Tiles of different materials behave each differently.

Large tiles suffer more strain levels

The increase in strain is cumulative across the width of the tile. The further a contact point is from the center of a tile, the more adjacent points in the tile and substrate will be stretched away from each other. 

For a given set of circumstances, a smaller tile will be less likely to delaminate than a larger one.

Large tiles are placed under more stress

When non-rigid substrate deflects, the rigid tile cannot behave in the same manner. For a given deflection in the substrate, the chord height that the tiles try to bridge will be higher for larger tiles. 

This may result in higher stresses; therefore it requires to use an adhesive with greater flexibility to prevent delaminating or breakage failures.