| 摘要 |
The invention relates to a wind deflector which is to be arranged between the roof and the joist-construction insulation in the joisted ceiling, the wind deflector consisting of a rigid piece of board 1, for example corrugated board, which is folded over twice along one edge so that the folded-over part, together with the plane part 8 of the piece of board, forms a triangular beam 1, and is provided with members which secure the folded-over part in its folded-over position. <IMAGE>
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