The materials used should be broken bricks, clean sharp sand, and Portland cement, in the proportions of 6 parts aggregate to 1 part cement. An area 16 ft. by l4 ft, by 2 in. contains til cub. ft., or about 1 1/4 cub. yd. The quantities required will be about 1 cub. yd. of broken bricks of the size of a walnut, 1 cub. yd. of sand, and 1/3 cub. yd. of cement, or say about 7 cwt. These materials should be well mixed together in a dry state, a minimum quantity of water applied from a water-can with a rose nozzle, and carefully laid to the desired level, being worked with a trowel until the cement creams on the surface and the whole is even. Only a small quantity should be wetted at one time, and before a start is made the existing brick floor mould be well brushed with a stiff brush, until all dirt, moss, etc., is entirely removed and the bricks are clean.