Roof tiles are produced from clay or concrete and sometimes covered with a finish of paint. Or they may be textured with a mix of sand and paint this finish is called sand faced. Generally these types of tiles are single overlap, which means the tile above and to the side overlaps it one at a time, the tile then interlocks with the tile next to it to produce a waterproof join. Replacing a roof tile that is broken or cracked is essential to avoid roof leaks and ultimately ceiling damage. To Learn How to Replace a Roof Tile Click Here