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Smart Alitherm 400 Windows and Doors Brochure


28 October 2026

Smart’s Alitherm 400 range brings slim, stylish aluminium to your windows and doors. Choose from casement windows, bi-fold doors, sliding doors and front doors, all with narrow frames to let in more light and a quality finish built to last. The windows can be upgraded to PAS24 security for extra peace of mind. Download the brochure to see the full range.