We offer unique range of light weight of hollow blocks, which are used inconstruction of houses in earthquacke prone areas. These bricks are made of fly ash,cement,lime,gypsum,stone dust etc.Available in different sizes.Hollow concrete blocks is used as substitute for conventional bricks or stones used in construction of buildings. Lighter in weight than bricks, these blocks are easier to place.Economic in foundation cost, these blocks also reduce the consumption of the cement. The strength of these varies with the ratio of cement, sand and stone chips. • A ratio of 1:3:6 [cement : sand: metal (chips)] confers higher strength• A ratio of 1:5: gives normal load bearing construction. • A ratio of 0.4:1 for water to cement is normally used.