How thick should a curtain wall be in a steel frame construction to meet all necessary reguations in the UK?
Not enough information to answer this one. What is the curtain wall load? What are the dimensions of the curtain wall panel? What is the curtain wall construction? steel? concrete? masonry? What are the out-of-plane loads on the curtain wall?
It's not a wall to keep people in. American Indians, submissive blacks, incarerated the Japanese -- Boy, you really hate Americans. There's a history to every country and not one country has a history without shame. Your 'snapshot' of Americans makes you sound like one of those bigoted nonAmericans who never looks at anything about the USA except the bad things. Scorpio, American politics seem to be so hypocritcal -- yet you live in the most successful country on the planet. Poor you.
This is a kind of steel structure curtain wall system, according to different needs, there are different thickness of curtain wall.