Tilt N Turn Windows uPVC Doors & Windows uPVC Windows RJ Window's Tilt N Turn Windows are designed to provide a European window option for fabricators and clients alike. The window is available as part of the EN62 range and was designed to give the discerning end user a state of the art inward opening fenestration solution. The RJ Window's Tilt N Turn provides the client maximum design freedom due to larger opening sizes that can be achieved and suits any window replacement program or building type in the fast growing construction industry.