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KINGSTAR GLASS
Low-E Double Glazing Glass Wall | High-Performance Insulated Glass Wall for Energy-Efficient Architecture from KINGSTAR BUILDING GLASS
KINGSTAR BUILDING GLASS Low-E Double Glazing Glass Wall is a high-performance architectural glazing solution that combines two panes of glass with a sealed air space and a low-emissivity (low-E) coating to deliver exceptional thermal insulation and solar control. The low-E coating, typically applied to surface 2 of the insulating glass unit (IGU), reflects long-wave infrared heat back into the building during winter while reflecting solar heat away during summer, significantly reducing heating a
What is a Low-E Double Glazing Glass Wall?
A low-E double glazing glass wall is a high-performance glazing system constructed from insulating glass units (IGUs) that incorporate two panes of glass with a low-emissivity coating applied to one of the interior surfaces. Low-E (low-emissivity) glass features a microscopically thin, transparent coating that reflects long-wave infrared heat while allowing visible light to pass through.
Low-E double glazing glass walls combine three key technologies:
Low-E Coating: A microscopically thin, transparent metallic or metal oxide coating applied to one of the interior surfaces of the IGU (typically surface 2 or 3). The coating reflects long-wave infrared heat while allowing visible light to pass through. In winter, it reflects interior heat back into the building; in summer, it reflects exterior solar heat away.
Insulating Air Space: The sealed space between glass panes, typically 6mm to 20mm, filled with air, argon, or krypton gas. The gas fill reduces conductive and convective heat transfer, improving thermal insulation.
Dual-Pane Construction: Two panes of glass separated by the insulating air space, providing thermal resistance significantly superior to single glazing.
Low-E Coating Types
Performance Parameters
The effectiveness of low-E double glazing is measured by three key metrics:
- U-Value (U-factor): Measures heat transfer rate. Lower U-value means better insulation. Low-E double glazing can achieve U-values as low as 1.0 W/m²K.
- SHGC (Solar Heat Gain Coefficient): Measures how much solar radiation passes through. Lower SHGC provides better solar control.
- VLT (Visible Light Transmittance): Measures the percentage of visible light passing through the glass.
Performance Data
Typical Performance Values for Low-E Double Glazing IGUs
Based on 6mm glass + 12mm argon-filled cavity + 6mm glass configuration. Performance values are typical and may vary by specific product and configuration.
Key Features
- Superior thermal insulation: Low-E coatings and argon gas fills reduce heat transfer, lowering heating and cooling costs.
- Solar control: Reflects solar heat away from the building, reducing cooling loads.
- High visible light transmission: Maintains natural daylight while controlling heat gain.
- Condensation resistance: Warm edge spacers and insulating design reduce interior condensation.
- UV protection: Low-E coatings reduce UV transmission, protecting interiors from fading.
- Acoustic insulation: Dual-pane construction with gas fill provides sound reduction.
- Design versatility: Available in clear, low-iron, and tinted substrates.
- Safety options: Heat-strengthened or fully tempered glass available.
Technical Specifications
Applications
Exterior Architectural Applications:
- Curtain walls and building facades
- Storefronts and commercial windows
- Atriums and skylights
- High-rise building glazing
- Spandrel glass panels
Commercial Buildings:
- Office towers and corporate headquarters
- Hotels and hospitality venues
- Retail stores and shopping centers
- Healthcare facilities
- Educational institutions
Residential Applications:
Why Choose KINGSTAR BUILDING GLASS Low-E Double Glazing Glass Wall?
- Superior thermal performance: Achieves U-values as low as 1.0 W/m²K in double glazed configurations.
- Energy savings: Reduces heating and cooling energy consumption, lowering operational costs.
- Solar control: Reflects solar heat while maintaining high visible light transmission.
- Condensation resistance: Warm edge spacer technology reduces interior condensation risk.
- Code compliant: Meets EN 1279, EN 1096, and EN 673 standards.
- Complete processing: Cutting, edge finishing, coating, and IGU assembly under one roof.
- Multiple glass options: Clear, low-iron, and tinted substrates available.
- Safety options: Heat-strengthened or fully tempered glass available.
- 10 years of industry expertise: With a decade of dedicated experience in glass manufacturing and export, KINGSTAR BUILDING GLASS has delivered low-E double glazing solutions to projects across North America, Europe, the Middle East, and Southeast Asia.
- Quality assurance: Strict quality control from raw material selection to final packaging, ensuring consistent performance, precise dimensions, and reliable processing.
Ready to specify high-performance low-E double glazing glass walls for your next architectural project? Share your requirements with our technical team for custom low-E double glazing glass wall solutions. We will provide performance data, thermal calculations, coating recommendations, and a competitive quote tailored to your project requirements, backed by a decade of glass manufacturing expertise.
Frequently Asked Questions (FAQ)
Q1: What is the difference between low-E double glazing and standard double glazing?
A: Standard double glazing consists of two panes of glass with an air or gas-filled space, providing basic thermal insulation. Low-E double glazing adds a microscopically thin low-emissivity coating to one of the interior glass surfaces. This coating reflects long-wave infrared heat while allowing visible light to pass through. In winter, it reflects interior heat back into the building; in summer, it reflects exterior solar heat away. As a result, low-E double glazing achieves significantly lower U-values (as low as 1.0 W/m²K) compared to standard double glazing (typically 2.8 W/m²K).
Q2: What U-values and SHGC values can KINGSTAR BUILDING GLASS low-E double glazing glass walls achieve?
A: KINGSTAR BUILDING GLASS low-E double glazing glass walls achieve U-values as low as 1.0 W/m²K in double glazed configurations with argon gas fill. SHGC values range from 0.24 to 0.50 depending on the coating type—double silver and triple silver coatings provide the lowest SHGC for maximum solar control. Visible light transmittance ranges from 39% to 78% depending on the specific coating and glass combination. Performance can be tailored to specific project requirements through coating selection, glass type, and gas fill.
Q3: What standards do KINGSTAR BUILDING GLASS low-E double glazing glass walls comply with?
A: KINGSTAR BUILDING GLASS low-E double glazing glass walls comply with EN 1279 (insulating glass units - product standard), EN 1096 (coated glass - product standard), and EN 673 (glass in building - determination of thermal transmittance - calculation method). CE certification is available for building applications in the European market. The products are manufactured under ISO 9001 quality management systems.
Insulated glass is a glass assembly composed of two or more pieces of glass, evenly separated by effective support, sealed with a binder around the glass layer to form a dry gas space between the glass layers.Glass components can be made of clear glass, tinted glass, reflective glass, laminated glass, tempered glass, etc.according to customer's request.
Its excellent efficiency in solar heat insulation, greatly reduces cooling loads.
Dry air inside the enclosure renders the surface free from misting.
More excellent efficiency will be if fill in argon or other inert gases.rom misting.
Glass Thickness 3-19mm
Spacer Thickness 6A,9A,12A,16A,24A.etc
Spacer Material Aluminum, Stainless, Warm edge, TPS, 4SG
Size Min.200x300mm, Max.3300mmx13000mm, custom sizes
Glass options Low-E tempered glass, ultra clear glass, tinted glass, solar reflective glass etc
Kingstar Building glass: www.kingstar-glass.com
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Kingstar Building glass:
Email: eric@kingstar-glass.com
Kingstar Glassware
(Professional Glassware & Kitchen Storage):
Email: info@kingstar-glass.com
Address: NO.101 SHENZHEN ROAD, QINGDAO, CHINA
© 2022 Qingdao Kingstar Glass Co., Ltd . All rights reserved Site Map | Technical Support:weidongli
Building glass:
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Email: eric@kingstar-glass.com
Glassware please visit: www.kingstarliving.com
Wechat/Whatsapp: 008615063091883
Email: info@kingstar-glass.com
Address: NO.101 SHENZHEN ROAD, QINGDAO, CHINA
© 2022 Qingdao Kingstar Glass Co., Ltd . All rights reserved Site Map
