1/2 inch works fine to line the wall.
What do you mean free standing? I was thinking we were talking about a room size enclosure. Even a full room size enclosure is very small for and adult sulcata
Are you sure you want to raise a giant sulcata in Canada? I lived a couple years in Canada and don’t want to think about how hard keeping a large sulcata In winter there would be. Sorry not trying to be a downer. I don’t know of a sulcata breeder In Canada. I would think that is because just how...