Polycarbonate is an outstanding rooflight material which provides superior strength and resilience in challenging conditions. It provides a UV protected, weatherable and longer lasting alternative. The Corolite corrugated polycarbonate range combines an ultra clear sheet option for maximum light transmission and bronze tinted sheet option ideal for solar control. For added strength and rigidity, Corolite CST corrugated multiwall polycarbonate sheets are available in 2.5mm twinwall and 6mm tiplewall structures depending on the application.