Esővédő a szcháchra

If one spread a sheet over the roofing as protection for those sitting in the sukka due to the sun, or if one spread a sheet beneath the roofing as protection due to the falling leaves, or if one spread a sheet as a canopy over the frame of a four-post [kinof] bed, the area in the sukka beneath the sheets is unfit. In the first two cases, because the sheet is susceptible to ritual impurity, it renders the otherwise fit roofing unfit. In the case of the canopy, one is not sitting under the roofing of the sukka; rather, he is sitting inside a tent. However, one may spread the sheet over the frame of a two-post [naklitei] bed, which has one post in the middle of each end of the bed. When spreading the sheet over the posts it forms an inclined rather than a flat roof, and a tent with an inclined roof is not considered a significant structure.

It was stated with regard to sukka decorations, e.g., sheets spread beneath the roofing to decorate the sukka, that are removed from the roofing four handbreadths, the amora’im disagreed whether they interpose between the roofing and the sukka. Rav Naḥman said: The sukka remains fit. Rav Ḥisda and Rabba bar Rav Huna said: It is unfit.

The Gemara relates that Rav Ḥisda and Rabba bar Rav Huna happened to come to the house of the Exilarch. Rav Naḥman, who was the official in charge of the Exilarch’s household, lodged them in a sukka whose decorations were removed from the roofing four handbreadths. They were silent and did not say anything to him, even though in their opinion the sukka was unfit. Rav Naḥman said to them: Did the Sages retract their halakhic ruling? Does your silence indicate that you concede to my ruling? They said to him: We are on the path to perform a mitzva and, therefore, we are exempt from the mitzva of sukka. Therefore, it is permitted for us to sleep in this sukka. In terms of the halakha, our ruling is unchanged.

MISHNA: If one spread a sheet over the roofing as protection for those sitting in the sukka due to the sun, or if one spread a sheet beneath the roofing as protection due to the falling leaves, or if one spread a sheet as a canopy over the frame of a four-post [kinof] bed, the area in the sukka beneath the sheets is unfit. In the first two cases, because the sheet is susceptible to ritual impurity, it renders the otherwise fit roofing unfit. In the case of the canopy, one is not sitting under the roofing of the sukka; rather, he is sitting inside a tent. However, one may spread the sheet over the frame of a two-post [naklitei] bed, which has one post in the middle of each end of the bed. When spreading the sheet over the posts it forms an inclined rather than a flat roof, and a tent with an inclined roof is not considered a significant structure.

Or spread over a four-post bed - which is like saying, or even if they did not spread [the sheet] on account of the falling leaves but rather for decorating a bed.

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