Hi all, I have built a feature wall/ chimney in my living room. The surfaces are mainly OSB (front) and general timber (sides). Please see the picture to understand better. Now, I was initially planning on using lightweight cladding to cover the chimney breast; hence didn't consider the materials I was using to build the wall to begin (OSB). In the last few days I have found some split face tiles which I really like the look of; but the question is; have I used appropriate materials to tile onto?