Gemini Vertical Sliders offer maximum energy performance; multi-chambers within the frame act as a barrier against heat loss, ensuring that vertical sliders offer excellent thermal efficiency. All glazing units feature high-performance ‘Soft Coat’ glass, reflecting internal heat back into the home whilst absorbing solar energy from outside.
The multi chamber profile system, couple with high performance double glazing units ensure excellent thermal performance. Gemini Vertical Sliders are fitted as standard with high-performance double glazing which provides whole window U-values of 1.4 w/m2K, and a WER “A” rating.
Gemini Vertical Sliders are manufactured from a heavy-set profile system, ensuring enhanced strength, durability and performance, whilst still maintaining the aesthetic features of a traditional sash window.
Both sashes within the Vertical Slider are fitted with high-performance gearing and restrictor hinges to ensure excellent levels of safety and security for your home. Our Vertical Sliders are backed by a 10 year product performance guarantee.
Gemini Vertical Sliders feature a sculptured finish for an enhanced visual appearance, and are available with a classic white finish or an authentic grain-effect colour including: black, oak, cream or whitegrain.
To create an authentic, traditional look and feel , attention to detail is paramount. A range of traditional window furniture is available including: ring pulls, decorative tilt latches and ‘catch & keeper’ style locks. Vertical Sliders can be further personalised with the addition of Georgian or Astrical bar and decorative Sash Horns.
Gemini Vertical Sliders are fitted as standard with Low Iron/Soft Coat double glazing units which deliver a WER energy ratings of “A” and whole window U-values of 1.4 w/m2K. Windows can be further personalised with the addition of Georgian or Astrical bars. Georgian bars are fitted within the glazing unit itself, whilst Astrical bars are fixed to the outer pane.