HEAT INSULATION BOARD FOR FLOOR

摘要

PROBLEM TO BE SOLVED: To provide a heat insulation board for a floor for improving heat insulation as the whole floor by heat-insulating the part of a joist hardly damaging construction. SOLUTION: A wing-like heat insulation part for covering the lower face of the joist is provided on the side of a heat insulation body. In addition, a slit capable of bending the heat insulation board into a reverse V-shape is cut on the upper face of the center part of the heat insulation body in parallel to the wing-like heat insulation part to facilitate construction. COPYRIGHT: (C)2005,JPO&NCIPI