| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat insulation structure for a building, which is more lightweight and makes settlement smaller than the prior art, and a heat insulation material for blowing.SOLUTION: A heat insulation structure for a building is formed by blowing a heat insulation material into a ceiling of the building or under a floor thereof. The heat insulation material includes at least a ground product-like rigid urethane foam that presents a low-density open-cell structure.SELECTED DRAWING: Figure 1 |
