To incorporate an earthquake-resistant metal reinforcement into a framework construction method by preventing dew condensation on a wooden house.

Warm water pipes 5, 11 are arranged under a floor and in the partition wall 10 of the wooden house, and sand 3, 12 is filled under the floor and in the partition wall 10. Then the metal reinforcement 20 is engaged with and fixed to the frame of the framework constituting an exterior wall (Claim 1), and the metal reinforcement is constituted by providing a diagonal bracing 23 to a frame member 21 having a size which corresponds to the frame of the framework. The use of the sand 3, 12 removes cool air and prevents dew condensation. The corrosion of a wood used for the framework can be prevented by preventing the dew condensation of the metal reinforcement 20, and the earthquake resistance of the wooden house can be improved together with the reinforcement 20.

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