The specifications of vitrified tiles are following -
• The tiles are of approved make and are generally confirmed to ISI 777• They are flat and true to shape and free from blisters crazing, chips, welts, crawling or other imperfection, detracting from their appearance. • The tiles are square or rectangular. • The thickness of the tiles is 5 mm to 7mm. • The top surface of tiles is glazed which is either glossy or matt finish. • The under side of tiles should not have glaze on more than 5 % of the area. • The edges of tiles should preferably be free from glaze. However any glaze if unavoidable should be permissible only up to 50% of surface area of the edge. These tiles are available in different colors and designs.