Over 4.5% of the average house building cost is in the Roof Tiles. Concrete & Terracotta roof Tiles come in a variety of colors and profiles. Roof tiles provide long lasting roof coverage & usually are the most economical choice. Roof Tiles are best purchased supplied and fitted by an accredited Roof Tile Company. Most Roof Tile companies do not fit Metal Fascia, Gutters, Downpipes or Valley Irons (See metal Roofing). For all your Roof Tile enquiries contact the following national and regional suppliers.