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My step-dad built theirs using 3 patio doors to enclose their patio. The roof already was there covering all of it so he didn't have to do a lot of wall framing with all the patio doors. He didn't do anything concrete wise like a footer, just built on the existing patio. Patios if done right should have a thickened slab at the edges.Problem with theirs is that it's not heated or cooled. He should have used 1 less patio door and put in a window or two so he could have put a thru the wall or window ac heat unit.
My step-dad built theirs using 3 patio doors to enclose their patio. The roof already was there covering all of it so he didn't have to do a lot of wall framing with all the patio doors. He didn't do anything concrete wise like a footer, just built on the existing patio. Patios if done right should have a thickened slab at the edges.
Problem with theirs is that it's not heated or cooled. He should have used 1 less patio door and put in a window or two so he could have put a thru the wall or window ac heat unit.