Quote Originally Posted by Norton
I am confused with your use of the term premade concrete ceiling.
These.



Quote Originally Posted by Norton
Not even sure why you want a ceiling? You can build a concrete block building enclosure with a concrete slab floor, put in some rafters (wood or steel), then attach a corrugated tin or composite roofing material on it. There will be no leaks if it's done properly. Just leave the "ceiling" open. Will see the rafters from the inside but so what. If you want a ceiling, use gypsum or something they call sa-mart board up here.
I know, but that's not what I need to do. Yes, I'm being vague.