| 摘要 |
PROBLEM TO BE SOLVED: To provide a low heat storage structure of a rooftop, efficiently suppressing temperature rise of a rooftop of a building. SOLUTION: This low heat storage structure of a rooftop comprises arranging a low heat storage material 3 which has as the main ingredient, porous calcium silicate and comprises an aggregation of powder or small pieces, on a rooftop surface 1 of a building. Alternatively, the structure may comprise arranging a planting part in which plants are planted, on the low heat storage material 3 which is arranged on the rooftop surface 1. It is desirable that the lowest limit of an arrangement thickness t on the rooftop surface 1 of the low heat storage material 3 is set to 3 cm. COPYRIGHT: (C)2009,JPO&INPIT
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