BALCONY FLOOR MATERIAL WITH RAIN WATER STORAGE FUNCTION

摘要

PROBLEM TO BE SOLVED: To provide a balcony floor material with rain water storage function allowing rain water to be easily utilized as spraying water for garden trees and fire extinguishing water without impairing economic efficiency of use of the rain water, and taking attention to the attractiveness of a building. SOLUTION: This balcony floor material 1 is laid down in a balcony 5 positioned on the upper layer than an water-supplied object. The inside of the balcony is formed in a water storage tank 12 for storing rain water.