Prepare the substrate
Ensure it is sound, clean, level and free from dust, oil, paint or loose material.
Ensure it is sound, clean, level and free from dust, oil, paint or loose material.
Use the exact water quantity stated on the approved product data sheet.
Add powder to water and mix at low speed until smooth and lump-free.
Observe the stated slaking time, then remix briefly without adding more water.
Key the adhesive into the surface and comb in one direction with the correct notched trowel.
Press tiles across the ridges, check transfer and remove fresh residue from joints and tools.