The tile trim external corner should be prepared before construction. Before the construction, it is necessary to check whether the wall surface is flat or not, and it is required that the plane has no protrusions or foreign objects, etc., and it is necessary to fill some recessed places. Ensure that the plane error does not exceed 5 mm.
Tile trim external corner installation is a meticulous work, the installation gap is also very affecting the appearance, generally maintained at about 3 mm, if not more than 3 mm, on the second day, it is best to use sandpaper to polish. If the gap is too large, it is necessary to fill it up so that the error is no more than 1 mm.
Tile trim external corner is rich in variety, mainly wood, metal, stone and so on.