Casement | Vertical Sliders | Tilt & Turn | French Windows | Shaped Frames

Combining innovative design with advanced manufacturing techniques, Gemini windows represent the next generation of PVCu windows and doors. Gemini products meet the sustainability demands of the current climate without compromising on quality or performance. Our products offer the best of all worlds – strength and security, look and finish, energy efficiency and environmental sustainability – and they come with unrivalled 15 year manufacturer’s warranty. Click on or touch the image hotspots below for additional information…

Unique 15 year guarantee | ‘A’ rating as standard | U-values as low as 0.8 w/m²K

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