The Netherlands is executing one of Europe's most aggressive decarbonization strategies. Under the statutory mandates of the Dutch Klimaatakkoord (Climate Agreement) and the European Energy Performance of Buildings Directive (EPBD), the nation aims to eliminate natural gas usage in buildings entirely by 2050 (gasloos). Meeting these ambitious performance targets requires a radical rethinking of building envelope thermodynamics.
For Dutch building managers, designers, and real estate developers, achieving the strict BENG (Bijna Energieneutrale Gebouwen) requirements is a significant challenge, particularly in urban spaces like Amsterdam, Rotterdam, and Utrecht. In these cities, historic facade conservation guidelines prevent the use of bulky conventional triple glazing or thick external wall insulation. This is where Vacuum Insulated Glass (VIG) proves indispensable.
Unlike standard insulated glazing units (IGUs) that rely on heavy argon-filled cavities, VIG operates on the physical principle of eliminating gas conduction. With an internal vacuum cavity of just 0.1mm to 0.3mm, tempered vacuum insulated glass provides thermal transmittances (U-values) as low as 0.4 to 0.6 W/(m²·K). This performance is achieved at a fraction of the thickness and weight of conventional triple glazing, making it the ideal solution for both modern high-rise facades and delicate historic restorations.
By upgrading to VIG, Dutch developers can expect significant advantages:
| Glazing Technology | Total Thickness | Typical U-Value (W/m²K) | Weight (kg/m²) |
|---|---|---|---|
| Single Pane Glass | 4 - 6 mm | 5.8 | 10 - 15 |
| Double Glazing (HR++) | 24 mm | 1.1 - 1.2 | 20 - 25 |
| Triple Glazing (HR+++) | 36 - 44 mm | 0.6 - 0.8 | 30 - 38 |
| Tempered VIG (Slimline) | 8 - 12 mm | 0.4 - 0.5 | 18 - 22 |
The core technology behind VIG relies on maintaining a long-term hermetic seal under significant mechanical and thermal stress. As temperatures fluctuate between freezing Dutch winters and hot summers, the glass panes expand and contract at different rates. Zerothermo Technology's R&D roadmap is focused on addressing these challenges through structural innovation.
Our glass uses advanced micro-pillars positioned precisely across the span of the glass to prevent the vacuum cavity from collapsing under atmospheric pressure. These pillars are constructed from high-strength stainless steel alloys, optimized to minimize thermal bridging while maintaining structural integrity. Our next-generation edge-sealing technology employs a low-temperature, lead-free metal solder seal that avoids the micro-cracking common in traditional glass-frit ceramic seals.
Furthermore, our integrated getter technology remains active within the cavity throughout the product's lifespan, continuously absorbing any trace gas molecules that may outgas from the inner surfaces. This ensures that the high vacuum level (<10⁻⁴ Pa) is maintained for a lifespan exceeding 25 years. This longevity makes VIG a highly reliable and durable choice for modern building designs.
Zerothermo Technology Co., Ltd., a subsidiary of the CBVAC Group, operates one of the most advanced vacuum application production bases in Nanchong City, Sichuan Province. Operating under strict Industry 4.0 principles, our production processes combine automated precision engineering with high-capacity output. This allows us to supply top-tier thermal insulation components globally with excellent cost efficiency.
Our factory processes are fully integrated, featuring: automated robotic handling in cleanroom environments, inline vacuum deposition systems, and automated quality testing. Every single panel of vacuum insulated glass and vacuum insulation panel (VIP) undergoes inline helium leak detection and thermal imaging verification before packaging. This rigorous testing ensures that every product shipped to Europe meets the highest quality and performance standards.
With CBVAC Group's deep expertise in vacuum technology, we maintain complete control over our supply chain. This vertical integration allows us to keep lead times stable and mitigate geopolitical and raw material price fluctuations. As a result, we can offer reliable long-term contract pricing and dependable delivery schedules to our partners in the Netherlands and across the EU.
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View More +Zerothermo Technology Co., Ltd., a subsidiary of the prestigious CBVAC Group and a recognized national high-tech enterprise, is headquartered in the Beijing Economic-Technological Development Area. Our state-of-the-art production base in Nanchong City, Sichuan Province, stands as one of China's largest comprehensive manufacturing centers for vacuum technology application products.
Leveraging decades of research and advanced vacuum science, we deliver high-performance insulation panels and glazing units to markets worldwide. Our dedication to quality control and innovation has made us a trusted supplier for demanding projects across the EU, particularly in the Netherlands, Germany, and Belgium.
Special dimensions tailored to meet custom engineering requirements, manufactured according to specific client drawings and tolerances.
Custom geometries (square, oval, and complex shapes) designed for highly specialized vacuum chambers and industrial pipelines.
Advanced manufacturing capabilities for large-scale industrial projects, with sizes extending up to and exceeding 60 inches.
How we guarantee project success for our partners globally
Our high-vacuum thermal insulation systems are deployed across various demanding environments in the Netherlands and wider Europe:
Ensuring absolute temperature stability (ultra-low temperatures) for temperature-sensitive drugs and vaccine transport boxes across logistics networks.
Empowering the construction sector to meet strict net-zero emissions targets through the deployment of ultra-low U-value glass and wall insulation panels.
Providing custom thermal blankets and microporous barriers for industrial processes that require reliable heat containment and worker protection.
Proven track record in high-performance vacuum insulation retrofits and installations
Our VIG is constructed using fully tempered glass panes, which offer up to 4–5 times the mechanical and impact strength of standard annealed glass. When sealed, the internal vacuum cavity is supported by a precise grid of micro-spacers, distributing wind-load stresses evenly across the structure. This makes it highly durable and suitable for high-wind coastal environments like Zeeland and South Holland.
Yes, this is one of VIG's primary benefits. Traditional double or triple glazing requires deep sash profiles due to their thickness (24mm–40mm). Our VIG solutions can be fabricated as thin as 8mm, allowing historic preservation builders to install modern, high-performance glazing within existing historical timber sashes, maintaining the original architectural character.
Thermal bridging at the edge is controlled by using high-resistance glass spacer materials and specialized metal-solder alloys. During installation in window frames, we recommend a minimum sash bite of 15-18mm. This covers the edge seal boundary and effectively isolates the perimeter thermal bridge from the indoor space.
Our VIG is designed for a minimum operating lifespan of 25 years. We utilize lead-free metal edge seals and an integrated chemical getter system within the vacuum cavity. This getter continuously absorbs trace outgassing molecules, maintaining a long-term vacuum level below 10⁻⁴ Pa and preventing measurable loss of thermal performance over the product's lifespan.
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