The properties tested were linear shrinkage, loss on ignition, water absorption and flexural tensile strength. It was found that increasing the coconut flake content caused tends to decrease in linear shrinkage ,while loss on ignition, water absorption and flexural tensile strength increased. And found that all the coconut mixture of clay bricks. The rate of water absorption between 8.10 – 11.67. common criteria standard TIS 77-2531 brick construction set.