The sukkah is a temporary dwelling that Jews use during the holiday of Sukkot. Structure According to Halakha, a sukkah is a structure consisting of a roof made of organic material which has been disconnected from the ground (the s'chach). A sukkah must have at least 2-1/2 walls. It should be at least three feet tall, and be positioned so that all or part of its roof is open to the sky (only the part which is under the sky is kosher.) A sukkah can be built on the ground or on an open porch or… (More on Sukkah)