suspended floor (construction), double floor (construction) a floor structure, often as the lowest floor in a building, in which there is an empty space filled with insulation below the floor
suspended floor (construction), double floor (construction) a floor structure, often as the lowest floor in a building, in which there is an empty space filled with insulation below the floor
suspended floor (construction), double floor (construction) a floor structure, often as the lowest floor in a building, in which there is an empty space filled with insulation below the floor