This will apply to almost all forms of roof tiles as well as slates. Plain tiles which are quite common have an eaves tile which is shorter than the main tiles and sits under the first row with the bottom edges flush and sitting on a tilting fillet. In some cases, not so common in modern era, the ends of the rafters had an additional piece of timber called sprockets which raised the last couple of rows of tiles at the bottom of the rafters. This applied to larger buildings and houses etc. and probably not on an office or shed. Pan tiles do not have eaves tiles as they interlock with each other. Col.