| 摘要 |
PROBLEM TO BE SOLVED: To provide a ceiling insulation structure of a dwelling house, which has high workability and high energy efficiency.SOLUTION: A ceiling insulation structure 1, which imparts heat insulation and airtightness to the ceiling panel 2 of a building, comprises a plurality of ceiling joists 3, 3,.., an insulation board 5 which is fixed to the lower face 3a side of the ceiling joists 3, 3,.., a ceiling panel 2 which is fixed to the lower face of the insulation board 5, and a first reinforcement sheet 7 which bridges between the neighboring ceiling joists 3 and 3 and is arranged between the lower face 3a of the ceiling joists 3 and 3 and the top face 5b of the insulation board 5 so as to be stuck on the lower face 3a and the top face 5b. |
