May one move stones and bricks used for insulation on Shabbat?
Synopsis
Stones and bricks used for insulation require permanent prior designation to be permitted for handling on Shabbat, because without designation they are typically discarded and thus muktzeh. Stones permanently placed on a stove for use are permitted.
More in When Shabbat Falls on Erev Yom Tov
May one move muchin (soft materials such as cotton, fleece, or worn cloth) on Shabbat if they were used incidentally to insulate a pot on Erev Shabbat without prior designation?
5 opinions
May one move fleece wool (gizei tzemer) on Shabbat when used for insulation, without prior designation?
4 opinions across 3 eras
If one insulated a pot in a container filled with muktzeh fleece and later removed the pot, may one return it if the hollow remains intact or not?
6 opinions across 3 eras
How does one remove a pot that was insulated with muktzeh material (non-removable) but covered with something removable?
2 opinions
May one remove a pot that was insulated and covered entirely with non-removable (muktzeh) material?
2 opinions
When Yom Tov falls on Erev Shabbat, may one insulate a pot with stones?
5 opinions across 3 eras
May one break the mud seal of an oven on Shabbat to remove warm food, and reseal it afterward?
6 opinions
When an oven has glowing coals inside, may a Jew open or close the oven on Shabbat?
5 opinions across 3 eras
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