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WeatherTight™ windows
WeatherTight™ windows
WeatherTight™ insert windows
WeatherTight™ insert windows
WeatherTight™ sliding windows
WeatherTight™ sliding windows
WeatherTight™ awning window images head and sill, and flat faced sill frame
WeatherTight™ awning window images head and sill, and flat faced sill frame
WeatherTight™ sliding window head frame detail
WeatherTight™ sliding window head frame detail
WeatherTight™ sliding window sill frame detail
WeatherTight™ sliding window sill frame detail
WeatherTight™ bi-fold window open out, head and sill frame
WeatherTight™ bi-fold window open out, head and sill frame
WeatherTight™ insert window sill
WeatherTight™ insert window sill
WeatherTight™ windows WeatherTight™ windowsWeatherTight™ insert windows  WeatherTight™ insert windows WeatherTight™ sliding windows WeatherTight™ sliding windowsWeatherTight™ awning window images head and sill, and flat faced sill frame WeatherTight™ awning window images head and sill, and flat faced sill frameWeatherTight™ sliding window head frame detail WeatherTight™ sliding window head frame detailWeatherTight™ sliding window sill frame detail WeatherTight™ sliding window sill frame detailWeatherTight™ bi-fold window open out, head and sill frame WeatherTight™ bi-fold window open out, head and sill frameWeatherTight™ insert window sill WeatherTight™ insert window sill

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.

Office locations

Head office

NALCO National Aluminium Ltd

42 Lady Ruby Drive

East Tamaki, Auckland, 2013

Tel: 09 272 1700

Fax: 09 272 1701

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