Discuss Have I bought the wrong size trim? in the DIY Tiling Forum area at TilersForums.com.
Is that the same if using an 8mm square notch trowel leaving a bed thickness of 4mm behind the tile then?Providing the walls flat the adhesive will 'bed in' leaving a very minimal gap 1 to 2 mm, which the trim flange will take up most of that, finish with decorator chaulk if painting above, or the other side of a flat wall.....job done..!
The thickness behind the tile will be minimal, 1mm at most, providing the walls are flat..Is that the same if using an 8mm square notch trowel leaving a bed thickness of 4mm behind the tile then?
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