Ideal for Taller Apertures: These windows are designed for openings that have a height-to-width ratio similar to the golden ratio (1:1.618), making them suitable for spaces with taller windows. This design choice can enhance the aesthetics of the window installation.

Single Sash for Ventilation and Fire Escape: The inclusion of a single opening sash is particularly useful for ventilation and as a means of fire escape. This feature can be important for safety and building code compliance.

Simple Operation: Vertical Slider Windows are engineered for straightforward operation. The use of frame-specific, site-tensioned spiral balances allows the sash to be held open at various positions, providing flexibility in ventilation control.

Modern Spiral Balance Technology: The adoption of spiral balance technology is highlighted as an improvement over traditional weights and pulley methods. Spiral balances are known for their reliability, ease of maintenance, and the space-saving advantage they offer, allowing these windows to fit well into both straight-through and reveal-type apertures.

uPVC Material: Mention of uPVC (unplasticized polyvinyl chloride) suggests that these windows are durable, low-maintenance, and energy-efficient. uPVC is known for its thermal insulation properties and resistance to weathering.

Advantages

Contemporary modern soft line profile appearance.

10 mm sash overlap for enhanced performance.

Internal glazing options from 4 mm single to 36 mm triple

Integrated handle bead for ease of operation

Special spiral balances made to suit sash weight and frame size

Opening sash secured with espagnolette locking device