To provide a floor material for a building material which is high in strength, light in weight, and excellent in impact sound absorption properties and sound insulation properties.

A composition comprising wood fibers, fine ceramic hollow particles, and a phenol resin is made the first layer 1, a composition comprising the hollow particles and the phenol resin is laminated on the second layer 2, and a composition comprising the hollow particles and an alkali metal silicate aqueous solution as the third layer 3 is laminated on the composition laminated on the second layer to form a laminate, and a floor material for a building material is produced by pressing/heating/molding the laminate.