The Horizon Series is a premium uPVC window engineered for high-exposure coastal zones on Vancouver Island. It utilizes a 4 5/8″ multi-chamber frame and patented V-Weld technology to deliver commercial-grade structural rigidity and superior water resistance. Horizon High-Performance windows is Thermoproof’s premium North American-style uPVC window line. It builds on the fundamentals of uPVC construction while introducing refined profiles, upgraded hardware, and expanded finish options.
Horizon is designed for projects where appearance, performance, and flexibility all carry weight in the decision.
It is often chosen when clients want a more polished look without moving into aluminum-clad or European systems.
When it comes to durability, energy efficiency, and long-term value, Horizon high-performance windows from Thermoproof truly shine in demanding environments.
Horizon High-Performance windows uses advanced multi-chamber frame profiles paired with upgraded European-manufactured hardware to improve operation, sealing, and longevity.
The system is engineered to deliver improved thermal efficiency and air sealing while maintaining familiar North American installation methods.
This allows Horizon High-Performance windows to integrate more cleanly with a wider range of architectural styles.
Horizon high-performance windows are not only built for strength and efficiency, but also designed to complement a wide range of architectural styles.
Horizon High-Performance windows occupies the upper tier of Thermoproof’s uPVC offerings. It is positioned above Pacific Pro in both finish options and performance capability.
For projects requiring aluminum exteriors or architectural-grade durability, Harbour Alloy is typically the next step.
Horizon high-performance windows represent one of the flagship solutions within Thermoproof’s comprehensive lineup of window and door products.
Horizon windows are supplied and supported through Thermoproof’s local manufacturing and partner network, with installation handled either directly or through authorized partners depending on region.
