Clay bricks are made by shaping suitable clays or shales to units of standard size, which are then fired at a temperature of 900–1150°C for a period of 8–15 hours.
Roof Tile(with holes) is used for terrace.Holes in the roof tiles create air pockets that trap air and provide thermal insulation for lower Part.
A brick is building material used to make walls, pavements and other elements in masonry. Hollow bricks are lighter and easier to handle, and have different thermal properties from solid bricks.
Fly ash bricks are hi-tech well-improved quality bricks used for construction of brick masonry structures. They are used as replacement for normal clay bricks and has better properties than it.