nutt'n wrong wid ignrance, it's stoopidity that gets me goin. Give 'em heck Jay. You are right, Royal buidings can be plumbed, wired, heated & cooled. And once you fill the walls with (optional) concrete, it'll take more than the big bad wolf to blow these things down. And that's the whole point! These structures are being built to replace the 1,000's of homes destroyed by the hurricane that hit Central America a couple of years ago. I believe the co's website is WWW.ROYALGROUPTECH.COM they make some really innovative stuff with plastic. Hey fella, keep your "fly droppin's" off this board, we gotta live here. Y'all be careful out there, Brian.