Materials to use for S'chach: Difference between revisions

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==Links==
==Links==
* [http://www.hebrewbooks.org/55400 Yalkut Yosef Hilchot Sukkah (Hebrew 5776)]
* [http://www.yutorah.org/lectures/lecture.cfm/841753/rabbi-zvi-sobolofsky/pasul-s-chach/ Pasul Schach] by Rabbi Zvi Sobolofsky
* [http://www.yutorah.org/lectures/lecture.cfm/841753/rabbi-zvi-sobolofsky/pasul-s-chach/ Pasul Schach] by Rabbi Zvi Sobolofsky


Revision as of 20:31, 27 May 2018

Sukkah2.png

One of the most critical parts of the Sukkah is the S'chach, the natural covering of the Sukkah, which provides the shade for the Sukkah.[1]

Basic Requirements of S'chach

  1. There are three conditions for Schach to be valid. It must be made from a material that grows from the ground, is detached from the ground, and is impervious to impurity (see further for examples). [2] All of these examples are biblical invalidations.[3]

Grow from the Ground

  1. In order for Schach to be kosher it must grow from the ground.[4]
  2. Metal, dirt, and animal hides are unfit for S'chach as they do not grow from the ground.[5]
  3. Nylon or plastic curtains are not kosher for sechach because they do not grow from the ground.[6] Neither is glass for the same reason. [7]
  4. Fresh plants that will dry up and fall down in the middle of Sukkot are unfit even for the beginning of Sukkot. [8] Similarly, if the plants cover a majority while they are fresh and they will dry up in the middle of Sukkot and cover a minority of the Sukkah that is also an issue even for the beginning of Sukkot.[9]

Completely Changed Form,

  1. Material that is grown from the ground but is completely changed from its original form is unfit. [10] For example, paper and cardboard are unfit for Schach. [11] This is a rabbinic invalidation.[12] One may however use paper for decorating the sechach.[13]
  2. One is permitted to paint or color the sechach to make it look more beautiful.[14]

Attached to the Ground

  1. Branches attached to a tree which is still attached to the ground is not fit for schach. Therefore, if one builds a Sukkah underneath a tree, using the branches as sechach and then decided to detach them from the tree, one must shake each branch by lifting and placing back down. Otherwise it is not kosher, as this is a problem of taaseh vilo min ha'asuy. [15]

Impervious to Impurity

  1. One may not use food as Schach since it is susceptible to impurity.[16]
  2. One may use spices which are only meant to be smelled or flowers which are only meant as decoration as Schach since they are impervious to impurity.[17]
  3. Even things that only can become tameh midirabanan are not kosher for sechach.[18]

Bamboo Mats

  1. Bamboo mats made for S'chach, which are 3x2 meters, are fit for S'chach according to most poskim. [19]
  2. Regarding the use of hemp string to tie the bamboo for the schach together, most poskim are lenient. [20]

Thickness of the Schach

  1. The S'chach should be made so that there is a majority of shade and minority of sunlight that's let through the S'chach. If there's an equal amount of shade and sun in the actual S'chach it's unfit but if there's an equal amount of shade to light that shines on the floor of the Sukkah it's fit. [21]
  2. The S'chach should be thin enough that one can see the large stars through the S'chach. [22]
  3. If one made the S'chach very thick so that one can't see the stars nonetheless it's fit. However, if it's so thick that when it rains a lot water won't come in then some poskim hold that it's unfit, unless there's no way to remove some S'chach in which case one may rely on the lenient opinions. [23] If one does remove some sechach, he does not need to shake the rest of the sechach in order of avoid taaseh vilo min haasuy.[24]
  4. If one made the S'chach very thin so that there's patches of empty space it's fit only if (1) there's no area of empty space larger than 3 Tefachim and (2) there is a majority of shade and minority of sunlight (counting the entire area of the S'chach). Even if it's an acceptable Sukkah, nonetheless, if there's a patch of 7x7 Tefachim which has more sunlight than shade one may not sit in that area. [25]

Invalid Schach and Airspaces

area beneath invalid schach is valid[26]
invalid[27]
  1. If there are less than 3 tefachim of invalid schach in middle of the sukkah, the sukkah is valid and one may sit underneath that invalid schach. If there are between 3 and 4 tefachim of invalid schach, the sukkah is valid, but one shouldn’t sit underneath that schach.[28]
  2. 3 tefachim of airspace or 4 tefachim of invalid schach may invalidate the sukkah (see pictures on side). Anything less will not. [29]
  3. One can’t sit underneath an airspace the size of one’s head or body [30] even if it is less than 3 tefachim. Also, one can’t sit underneath an airspace that goes across the entire length of the sukkah even if it is less than 3 tefachim. [31]
  4. If there is an airspace of 3 tefachim along a wall of the sukkah that wall isn’t considered part of the sukkah. If less than two and a half walls remain, the sukkah is invalid.[32]

Schach Held Up by Unfit Items

  1. It's preferable not to put the S'chach directly on top of walls which are made out of material that's unfit for S'chach.[33] According to most leading authorities, however, it's permissible to place S'chach on top of a material that's fit for S'chach which is in turn held up by something that's unfit for S'chach. Therefore, if one has a metal frame one should place wooden planks on the frame and then S'chach on top of it. [34] After the fact, if the schach was placed directly on metal, it is kosher. [35]
  2. One should ideally avoid tying the schach down with a material that would not serve as kosher schach if the schach would be unable to withstand regular wind independently.[36] However, many poskim always permit one to tie down schach with material that is only invalid as schach mi’derabanan (such as natural materials).[37]
  3. One shouldn't use schach with a foul odor or whose leaves are falling off because there is a worry that the person may come to leave his sukkah because of the smell or the leaves falling on him. [38] After the fact, it is valid. [39]

Sukkah Built Underneath a Tree or House

  1. One must ensure that one's Sukkah is under the open sky and not beneath a tree, roof of a house, or a porch. (For details about after the fact see the footnote.) [40]
  2. If one built a sukkah under a tree or a house which would render it unfit, and then removed the branches or the roof to make it kosher, this isn't a problem of taaseh vilo min ha'asuy as the problem was never in the schach itself. [41]
  3. Branches near one’s sukkah but not directly above it don’t impact the validity of the sukkah even if they provide it shade. [42]
  4. A sukkah built under clothes-lines or electric/phone lines, even if there isn't a space of 3 Tefachim between each one, is still kosher, even if clothing is on the lines. [43]
  5. One may hang lights from the S'chach even if they hang below 4 Tefachim from the S'chach. [44]

S'chach Moved Due to Inclement Weather

  1. If a strong wind blew the schach higher than 3 Tefachim above the sukkah and then fell back down, even though since it happened automatically it wasn't put down for the sake of shade, the sukkah is kosher since it was originally placed in a kosher manner. [45]
  2. If snow falls and solidifies on top the schach the sukkah is still kosher and one can recite a bracha of leshev basukkah.[46]

Positioning of the S'chach

  1. If the schach of the sukkah was placed on a slant, the sukkah is still kosher. [47]

Links

Sources

  1. ↑ Rashi (Sukkah 2a s.v. delo) writes that the word Sukkah is derived from the word Schach which is the primary part of the Sukkah.
  2. ↑ The Mishna (Sukkah 11a) indicates that Schach must be grown from the ground, detached from the ground, and impervious to impurity. The source for these requirements according to the gemara (Sukkah 12a) is the pasuk (Devarim 16:13) which says that the Schach should be made from the materials of the granary and winery. See also Rashi (Sukkah 11a s.v. pesula). Rambam (Sukkah 5:1) and Shulchan Aruch 629:1 codify this as halacha. Yalkut Yosef Moadim page 123 and Chazon Ovadia Sukkot page 14 concur.
  3. ↑ Biur Halacha 629 s.v. Tzomech
  4. ↑ S"A 629:1
  5. ↑ Shulchan Aruch and Rama 629:1, Yalkut Yosef Moadim page 123, Chazon Ovadia Sukkot page 14
  6. ↑ Chazon Ovadia Sukkot pg. 15, Shu"t Shevet Halevi 4:57
  7. ↑ Chazon Ovadia Sukkot pg. 15, Bikkurei Yaakov 632:7
  8. ↑ Rama 639:12, Magen Avraham 629:13
  9. ↑ The Levush 629:12 writes that if the fresh plants cover a majority only while they are fresh and they will dry up and cover a minority of the Sukkah that is an issue. However, the Pri Megadim (E"A 629:13) questions him and points out that perhaps this is only a rabbinic concern. Kaf Hachaim 629:73 is concerned for the Levush.
  10. ↑ Rambam (Sukkah 5:4)
  11. ↑ Chazon Ovadia Sukkot pg. 16, Yalkut Yosef 629:14. Minchat Shlomo 112 entertains both the possibility that paper is unfit because it is changed from its original form and because perhaps it is susceptible to impurity.
  12. ↑ Mishna Brurah 629:12
  13. ↑ Chazon Ovadia Sukkot pg. 16 Shu"t Minchat Shlomo 3:151
  14. ↑ Chazon Ovadia Sukkot pg. 32, Halichot Shlomo pg. 130
  15. ↑ Shulchan Aruch 626:2, Yalkut Yosef Moadim page 123, Chazon Ovadia Sukkot page 33.
  16. ↑ Rambam (Sukkah 5:3), Chazon Ovadia Sukkot pg. 19
  17. ↑ Rav Ovadyah Yosef in Chazon Ovadia (Sukkot, p. 23)
  18. ↑ Chazon Ovadia Sukkot pg. 21
  19. ↑ Chazon Ovadyah (Sukkot pg 25-6). Halichot Shlomo (pg 128) and Rav Herschel Schachter (min 78-79:30) are also lenient unlike Rav Elyashiv (quoted by Sh"t Shevet HaLevi 6:74) who is strict.
    • Chazon Ovadia (p. 23) writes that bamboo mats that are strung together with organic materials or cotton are valid schach. He reasons that it is similar to the case of the mat which is used only for schach and is recognizable for that purpose. Therefore, the mats aren’t susceptible to impurity. Also, it isn’t similar to a roof as there are spaces between the planks and can be folded up. Rav Shlomo Zalman Auerbach (Halichot Shlomo p. 128) and Rav Hershel Schachter (עניני יוה”כ וסוכות, min 78-79:30) agreed.
    • Tzitz Eliezer 10:29 writes that one shouldn't use reed or straw mats for Schach. The reasoning is that the mats are sometimes used for sitting, sleeping, or containing items in which case they are impure. This would be a biblical invalidation. He adds that even if its designated to be used for schach there would be a rabbinic prohibition lest it be confused with those that are are unfit. Additionally, sometimes it is used as for roofing in which case they would be unfit as it looks like a real roof.
  20. ↑ Regarding the hemp string used to tie the bamboos together, Rav Ovadia (Chazon Ovadia p. 30) writes that using string made from organic material for schach is only invalid rabbinically according to the Rambam if it is altered from its natural form (or according to the Raavad because it is useable for clothing). Since it is only a rabbinic issue, Rav Ovadia reasons that it is permitted to use it in order to hold up or hold together the schach. See the next footnote regarding maamid regarding items that are rabbinically invalid. Accordingly, Rav Schachter (“Inyonei Sukkos” on Yutorah.org min 60-4) permitted using hemp or cotton strings to hold together the bamboo mats.
  21. ↑ Shulchan Aruch 631:1 and 4
  22. ↑ Shulchan Aruch 631:3, Chazon Ovadia Sukkot pg. 24. The Pri Megadim E”A 631:11 writes that it is sufficient as long as the stars are visible from one point in the sukkah.
  23. ↑ Shulchan Aruch 631:3, Mishna Brurah 631:6.
    • The Mordechai Sukkah 1:732 writes that a sukkah that is so thick that it doesn't allow rain to fall in, according to Rashi is kosher, but not according to Rabbenu Tam.
    • Shulchan Aruch HaRav 631:5 holds that it is not kosher.
    • Birkei Yosef 631:2 holds that although it is not ideal, it is still kosher. Chazon Ovadia Sukkot pg. 24 writes that we can rely on the opinion of the Shulchan Aruch and even recite a beracha in such a sukkah but it is preferable to remove some sechach in such a scenario (and if it is shabbat or yom tov to ask a non-Jew to do so for you.
    • Mishna Brurah 631:6 concludes that if there's no way to remove some S'chach one may rely on the lenient opinions.
  24. ↑ Chazon Ovadia Sukkot pg. 37, Shaar Hatziyun 631:5, Eliya Rabba 631:4, Mateh Ephraim 626:17
  25. ↑ Shulchan Aruch 631:2 and 4 rules that if altogether there's a majority of shade and minority of sunlight and there's no open space of 3 Tefachim it's fit. Rama 631:2 adds that some are strict if there's an area of 7x7 Tefachim which has more sunlight than shade. The Aruch HaShulchan 631:5 and Mishna Brurah 631:4 writes that in such an area one may not sit. Mishna Brurah adds that if there's such a patch that breaks up one of the walls so that there's only 2 walls left then it puts the whole sukkah into question.
  26. ↑ The invalid schach invalidates the entire area above the invalid schach. However, the area below is valid as long as there are 3 walls surrounding 7x7 tefachim of valid schach (Mishna Brurah 632:14-5).
  27. ↑ This sukkah is invalid because the invalid schach in the middle splits the sukkah in two. Therefore, each half only has 2 walls which is insufficient (Mishna Brurah 632:2).
  28. ↑ S”A 632:1, Rama 632:2, Mishna Brurah 632:3
  29. ↑ S”A and Rama 632:2
  30. ↑ While the Rama 632:2 writes “rosho ve’rubo” the Mishna Brurah 632:12 quotes the Ran and Ritva who hold either “rosho” or “rubo.”
  31. ↑ S”A 632:2, Mishna Brurah 632:12
  32. ↑ S”A 632:2, Biur Halacha 632 s.v. avir
  33. ↑ Mishna Brurah 630:59, Chazon Ovadyah (Sukkot pg 44)
    • The Mishna (Sukkah 21b) cites Rabbi Yehuda who holds that one may not use bed boards for sukkah walls unless the schach is held up by something else. The Gemara records a dispute regarding Rabbi Yehuda’s reason; either it is because the sukkah isn’t considered a suitable dwelling without additional poles for support or because the schach is being held up by something that is susceptible to tumah. The Raavad (Sukkah 10a), Ramban (Milchamot Sukkah 10a), and Ran (Sukkah 10a s.v. Matnitin) understand that the primary reason for Rabbi Yehuda is that one may use items that are susceptible to tumah to hold up the schach as a gezerah that one may come to use it as schach itself.
    • The Rosh (Sukkah 2:1) writes that the halacha follows Rabbi Yehuda and his reasoning is that when the schach is placed on top of a bed, there is only a small area between the schach and the bed, which isn’t suitable for use. The Trumat HaDeshen (responsa 91), Tur and S”A 630:13 agree.
    • Lastly, the Baal HaMeor (Sukkah 10a) holds like the rabbanan and we shouldn’t be concerned with either reason above.
    • Even according to the first group of rishonim there are two limitations. The Ran writes that it is permitted to place schach on top of stone walls because no one uses stones for schach and no one will make a mistake to think that it is kosher. Additionally, the Ramban writes that placing schach on top of poles on top of a bed is permitted since the bed is acting as a ground for the sukkah and isn’t directly supporting the schach.
    • What’s the halacha? Since S”A 630:13 holds like the Rosh, it would seem to be clear that is permitted to use items that are susceptible to tumah to hold up the schach. However, S”A 629:7 has a doubt whether it is permitted to place a ladder on top of schach. The Magen Avraham 629:9 suggests an explanation in which he forbids using a ladder that is susceptible to tumah lechatchila and would only permit it after the fact. Mishna Brurah 630:59 writes that it is permitted, but it is proper to be concerned for the opinions who are strict.
  34. ↑ Mishna Brurah 629:26, BeYitzchak Yikra (Rav Nevensal) on that Mishna Brurah quoting Rav Shlomo Zalman Auerbach, Yabia Omer 10:46 and Chazon Ovadyah (Sukkot pg 44) are lenient unlike the Chazon Ish 143:2-3. Rav Hershel Schachter (62:30-66:15) also seems to be lenient (listen for exact language). See Chelkat Yaakov 3:127, Minchat Shlomo 2:55 and Moadim u'zmanim 1:82.
    • The Magen Avraham 629:9 permits using metal nails to support the poles of the sukkah since they don’t directly support the schach. For example, the Bikkurei Yacov 629:15 writes that it is permitted to place schach on top of wooden poles on top of walls which are susceptible to impurity. The Chazon Ish (O.C. 143:2) argues since we can’t distinguish between different layers of schach and simply state the top layer of kosher schach is supported by another layer that is in turn supported by an item that is susceptible to tumah. Rav Schachter (“Inyonei Sukkah”, min 44-6, 62-4) noted that although the Chazon Ish’s argument is reasonable, the minhag follows the Magen Avraham and allows placing schach on top of planks on top of a metal frame.
  35. ↑ Mishna Brurah 629:22 and 630:58
  36. ↑ Be’tzel Ha’Chochma 5:44
  37. ↑ R’ Vosner cited in the Beit Levi Cheilek 4, pg. 23. Rav Ovadia Yosef (Chazon Ovadia p. 24-5) writes that it is permitted to use a material that is only rabbinically invalid in order to hold up the schach since the entire issue of maamid is only a gezerah, so the rabbis would never have instituted a gezerah l’gezerah. This is based on the opinion of the Ritva (Sukkah 11b). Rav Schachter (“Inyonei Sukkah”, min 44-6, 62-4) agreed, though he questioned it because this seems to fall into the category of a double d'rabbanan and not a gezerah l’gezerah.
  38. ↑ Rambam (Sukkah 5:1), Shulchan Aruch 629:14, Chazon Ovadia pg. 30, Magen Avraham 629:15, Kaf Hachaim 639:81
  39. ↑ Rambam (Sukkah 5:1)
  40. ↑ Rama 626:1 writes that in all cases one should avoid building one's sukkah under a tree or roof. Mishna Brurah 626:1 and Aruch HaShulchan 626:1 explain that it's best to build the Sukkah under the open sky. This is also the opinion of Chazon Ovadyah (Sukkot pg 11) and Yalkut Yosef Moadim page 125. However, after the fact, Aruch HaShulchan 626:1 writes if it's built under a roofed area it's unfit, but if it's built under a tree there is a discussion about when it is fit. Shulchan Aruch 626:1 (according to Beiur Halacha s.v. VeYesh, Mishna Brurah 626:10 and 11) rules that a sukkah under branches of a tree is fit only if it fits three requirements (See Shulchan Aruch with Mishna Brurah 626:10 and 11). (1) Among the branches of the tree there is majority of sun and minority shade (2) there is less than four Tefachim of tree branches over the schach, and (3) there is a majority of shade from the kosher schach and a minority of shade even without the tree branches (and even so the sachach under the tree branches itself is unfit but the rest of the sukkah is fit).
  41. ↑ Chazon Ovadia page 33.
  42. ↑ Biur Halacha 626:1 s.v. tachat ha’ilan
  43. ↑ Yalkut Yosef Moadim page 125, Chazon Ovadia Sukkot page 69.
  44. ↑ Chaye Adam 146, Mishna Brurah 627:15, Nitei Gavriel (Sukkot 26:4)
  45. ↑ Sh"t Shevet Halevi 10:100
  46. ↑ Sh"t Ginat Veradim 4:7, Shaarei Teshuva 626:1, Moed Likol Chai 21:20, Bikkurei Yaakov 626:7, Yalkut Yosef Moadim page 125 and Chazon Ovadia Sukkot page 37. Aruch Hashulchan 629:2 however only permits saying a beracha if the schach is still greater than the snow.
  47. ↑ Shulchan Aruch 631:10
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