1) Ensure the thickness is equal to the thickness of the formable aluminium trim. In this case the size is 12mm.
2) Press the perforated anchoring leg of the formable trim and then align it.
>Tile Trims provide a decree of safety with their smooth surfaces, rather than the exposed rough surface of the tile
>Reduce risk in damaging the tiles when there is a change in direction
>Generally give the tiled area a professional looking finish