Diammonium Phosphate (DAP) (NH4)2HPO4 is one of the series of water soluble ammonium phosphate salts , farmer use it as fertilizer for crops another speciality of DAP is that it can be used as a fire retardant agent. It lowers the combustion temperature of the material decrease maximum weight loss and causes an increase in the production of residue or char.

    We are using the same property of DAP and proposing  model of fire retardant hut.