Keylite Roof Windows Ltd was founded in 2001 under The Keystone Group and offers a full range of roof windows, blinds, timber loft ladders, flashings, electric operation kits and accessories. Keylite is Europe's fastest growing roof window manufacturer. At Keylite, every product produced provides the very best in innovation, quality and value for money. We recognise the value of maintaining a proactive approach to research and development and have successfully introduced many new and innovative product enhancements. With a focus on design technology, unrivalled service and renowned product support as standard, Keylite provide not only the practical choice for construction professionals, but the reliable one for home owners alike.