HEAT INSULATION MATERIAL FOR FLOOR

摘要

PROBLEM TO BE SOLVED: To provide a heat insulation material 10A for a floor, which has a depressed area 12 and a through-hole 13 and which can simplify work for wiping off rainwater retained in a peripheral side frame 11.SOLUTION: A heat insulation material 10A for a floor includes a rectangular outer frame 11 and an appropriate number of depressed areas 12 depressed downward from a top surface of the outer frame 11. A through-hole 13 is formed in the lowermost part of the depressed area 12. The heat insulation material 10A for the floor is made of a resin foam. An appropriate number of second through-holes 16 are formed in the outer frame 11.