Polycarbonate sheets In architecture, transparent or translucent polycarbonate sheets are preferred when large, sophisticated domes or roof structures need to be created. Users worldwide choose solid sheets in around 60% and hollow sheets in 30% and corrugated sheets in 10%. In 2003, world demand for polycarbonate (PC) was around 300 E tonnes, which is estimated to rise to 400 E tonnes in 2008.
