Apply Hi-Bond T-10 evenly with a 6mm×6mm notched trowel for tiles up to 150 × 150mm and for larger tiles use a 12×12mm notched trowel. Lay the tiles with good pressure, twisting to ensure good contact with the adhesive. In more demanding exterior situations or if tiles with high ribs or lugs or being used, it is preferable to spread the back of the tiles with a thin layer of adhesive in addition to the adhesive being troweled onto the substrate, before laying. For wall tiling, a minimum final bed thickness of 2mm is recommended, whilst for floor tiling, a minimum final bed thickness of 3mm is recommended.