| 摘要 |
PROBLEM TO BE SOLVED: To simplify constitution of a roof, to relieve the number of processes, improve workability, and to reduce a cost by a method wherein a heat insulation panel for a roof being light and high in strength is utilized as a structural material for a roof. SOLUTION: A heat insulation layer to fill a honeycomb cell with phenol resin foams is provided and a heat insulation panel 22 for a roof is light and high in strength in addition to heat insulation ability, heat resistance, fire resistance, sound absorbing qualities, low smoking properties, and low toxicity. A plurality of heat insulation panels 22 for a roof are horizontally connected on a main house or a steel frame 21 serving as a beam, and a waterproof layer 23 is formed on heat insulating panels 22, 22... for a roof. |
