DOUBLE FLOOR STRUCTURE

摘要

PROBLEM TO BE SOLVED: To provide a new double floor structure in which a wiring can be changed easily at a desired position even after the execution of a floor. SOLUTION: Floor finishing materials (2a), (2b) are placed on a floor bed material (1) with opening sections (11) for wirings, and the floor finishing material (2a) having wiring accessories (21) and the floor finishing material (2b) having no wiring accessory can be exchanged.