PROBLEM TO BE SOLVED: To provide a sheet for building construction which is easily handled in carrying out operations such as carrying, opening, and closing a sheet member.;SOLUTION: An installation sheet 1 for rainy weather has the sheet member 31 which is spread over a building unit and forms a roof part 33. Air tubes 18 are attached to the sheet member 31. The air tubes 18 spread the sheet member 31 by the introduction of air and function as the frame of the roof part 33. When the air tubes 18 are the frame, the structure of the sheet is made simple and the weight is light, so that handling is made easy.;COPYRIGHT: (C)2008,JPO&INPIT
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