They are mixed with a specified quantity of clean water and applied to a prepared substrate using an appropriate notched trowel. A general ceramic tile adhesive may suit stable cementitious walls or floors, but the correct grade depends on tile dimensions, water absorption, location and expected movement. Excess water, poor mixing, expired open time or inadequate adhesive contact can cause debonding.
Tile adhesive is not automatically a waterproofing membrane. Movement joints and substrate cracks require separate detailing under the relevant tiling specification.
Before you use it
- The substrate must be sound, clean, appropriately cured and within flatness tolerances.
- The installer should check the product classification, allowable bed thickness and suitability for wet areas.
General technical guidance. Final product selection, dosage and system details are confirmed from the manufacturer data sheet and a site assessment.
