The present invention relates to a construction method of terrazzo, which, when spreading a main agent on a material layer after materials are spread on a floor surface and cured, does not mix the main agent with aggregates but spreads only the main agent and then sprays aggregates onto the main agent right after the complete, thereby allowing a worker to complete the main agent without working too hard. According to the present invention, the construction method comprises: a step of pre-treatment before construction of removing cracks, contaminated parts and materials on a floor to be constructed to repair and finish in a horizontal status; a step of installing a divider on the floor repaired and finished by the above step of pre-treatment before construction to fit a desired design; a step of constructing base terrazzo to evenly spread the materials, which are made by mixing polyresin and a hardening agent at the ratio of 1 to 1 and stirring, to perform completion, and to evenly scatter silica sand; a step of constructing main agent terrazzo to, when the materials spread on the floor by the above step of constructing base terrazzo are cured, mix the main agent, the hardening agent, and a filler at the ratio of 1 to 1, to mix the main agent with aggregates of 10-15% of the required volume, to evenly spread the mixture on the floor of the base terrazzo, and to perform completion; a step of spraying the rest aggregates of 85-90% on the main agent terrazzo completed by the above step of constructing the main agent terrazzo and to evenly compress in about 30 minutes; a step of polishing to cure for 48 hours after the above step of spraying aggregates, to perform a first polishing twice to three times, to spread grout, to cure the grout for 16 hours, and to perform a second polishing; and a step of finishing the construction to, after completing the above step of polishing, spread terrazzo sealer twice to three times, and to perform completion.;COPYRIGHT KIPO 2017
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