The Trackglaze Vertical – Sliding Glazing is a premium secondary glazing system designed specifically for large sash windows, providing an effective solution for reducing heat loss, minimising external noise, and improving energy efficiency. Ideal for period homes, listed buildings, heritage properties, offices, and commercial buildings, it enhances window performance without altering the original appearance of the existing frames.

Designed with a smooth vertical sliding mechanism, the system allows secondary glazing panels to move effortlessly for easy ventilation, cleaning, and access to the primary window. It creates an insulating air gap that helps reduce draughts, control condensation, and improve indoor comfort while significantly lowering outside noise.

Manufactured from high-quality, durable materials, the Trackglaze Vertical – Sliding Glazing is suitable for both DIY enthusiasts and professional installers. It provides a long-lasting, low-maintenance secondary glazing solution that improves thermal performance, acoustic insulation, and overall window efficiency, making it an ideal choice for residential, commercial, and heritage glazing projects.