What about the difference between internal tile edging and external tile edging?

      The internal tile edging is use for concave corner,it would be different in the cross between wall and ceiling,there will be an obvious intersection line, the internal edge is to cover up this boundary.Of course,we can also use internal tile edging made of wood or gypsum according to different decoration style and the effect for decorative would be different.The external tile edging is a kind of decorative line which is used for cover 90 degree angle of ceramic tile which material could be PVC,Aluminum alloy and Stainless steel. The external tile edging is divided into two kinds:big edge trim and small edge trim,they are apply to 10mm and 8mm thick tiles separately,the length is generally on 2.5 meters.