The WeatherTight™ joinery provides a range of styles including awning/casement windows, box, bay and greenhouse windows, sliding and stacking windows, bi-fold windows and insert replacement windows.
the WeatherTight™ suite was specifically designed to counter problems experienced from poor joinery design resulting in leaky buildings. Its success is due to patented designs which remove leak risks faced by standard joinery. Along with a range of styles WeatherTight™ has patented connection designs. These include NALCO’s screw-less connection system used to connect inter-lockers, mullions/transoms and crimped corners on selected frames.
WeatherTight™ utilise NALCO’s patented connection systems. Features include 35mm glazing profile across all products which enables up to 24mm IGUs and a wide choice of mullions including box mullions. Awning window offers a flush sash option. Facet windows with additional structural support and joint soakers on bottom joints drain to the exterior.