DescriptionCOOL-LITE® XTREME 70/33 and 70/33 II insulating glazings provide a high visible light transmittance of 70% while blocking 67% of solar energy, delivering a balanced combination of clarity and solar protection (selectivity ≈ 2.12 in double glazing). COOL-LITE® XTREME 70/33 belongs to the coated glass range committed to environmental performance, health and occupant comfort.
Selection and benefits- Energy savings
- Reduced lighting and cooling consumption: selectivity > 2
- Reduced heating losses (Ug = 1.0 W/m².K)
- Thermal comfort: limits summer overheating risk and reduces cold-surface sensation in winter
- Visual comfort: maximum daylight for a given solar protection level with optimal views to the outside
ApplicationsCOOL-LITE® XTREME 70/33 and 70/33 II insulating glazings are suited to high energy-performance commercial and office projects, new builds or renovations. Main applications:
- Glazed façades to maximize natural light and occupant comfort
- South- and/or west-facing glazing
Advantages- Very high transparency: clear, low-reflective appearance with neutral color
- High daylighting contribution: supports well-being and reduces artificial lighting needs
- Effective solar protection: lowers cooling-related energy demand
- Excellent thermal insulation: Ug = 1.0 W/m².K (double glazing)
Performance (example configurations)Note: values in accordance with EN 410, calculated with argon fill (90% for doubles, 85% for triples). Configurations considered: double glazing 6*(16)4 with coating on face 2, substrates ORAÉ®, PLANICLEAR® or DIAMANT®; triple glazing 6*(16)4(16)*4 with coating on face 2 and ECLAZ® LUMI on face 5 (substrate PLANICLEAR®).
COOL-LITE® XTREME 70/33 — Double glazing (ORAÉ® substrate): TL (visible light transmittance) = 70% · Rle (external light reflection) = 11% · RIi (internal light reflection) = 13% · g (solar factor) = 0.33 · Selectivity (TL/g) = 2.12 · Ug = 1.0 W/m².K · Carbon footprint = 22.04 kg CO2‑eq./m2
COOL-LITE® XTREME 70/33 — Double glazing (PLANICLEAR® substrate): TL = 70% · Rle = 11% · RIi = 13% · g = 0.33 · Selectivity = 2.12 · Ug = 1.0 W/m².K · Carbon footprint = 30.34 kg CO2‑eq./m2
COOL-LITE® XTREME 70/33 — Double glazing (DIAMANT® substrate): TL = 71% · Rle = 11% · RIi = 13% · g = 0.33 · Selectivity = 2.15 · Ug = 1.0 W/m².K · Carbon footprint = 30.90 kg CO2‑eq./m2
COOL-LITE® XTREME 70/33 — Triple glazing (6*(16)4(16)*4 with ECLAZ® LUMI, PLANICLEAR® substrate): TL = 65% · Rle = 13% · RIi = 16% · g = 0.31 · Selectivity = 2.10 · Ug = 0.5 W/m².K · Carbon footprint = 44.77 kg CO2‑eq./m2
Additional options- STADIP® PROTECT: laminated face for occupant and asset protection
- STADIP® SILENCE: laminated glass for acoustic insulation
- CLIMAPLUS® SCREEN: integrated blinds for improved visual comfort
Dimensions- Available as monolithic glass with thicknesses 6, 8 or 10 mm
- Laminated from 44.2 and up to 10 10.2 for XTREME 70/33 in large sizes (XTREME 70/33 II available only made-to-measure)
- Maximum dimensions up to 6000 x 3210 mm
- Other thicknesses, compositions or dimensions (lengths > or < 6000 mm): options on request
Instructions for use- Products must always be assembled as insulating glazing with the coating placed on face 2
- Edge deletion of the coating is mandatory for both products
- COOL-LITE® XTREME 70/33 can be used annealed; the XTREME 70/33 II version must always be tempered to achieve its performance and neutral appearance
- Both versions present a similar appearance and can be installed on the same façade
Technical characteristics / specifications- Visible light transmittance (TL): 70% (double ORAÉ®/PLANICLEAR®), 71% (double DIAMANT®), 65% (example triple)
- Solar factor (g): 0.33 (double examples), 0.31 (triple example)
- Selectivity (TL/g): ≈ 2.10–2.15 (depending on configuration), example 2.12 in double glazing
- External light reflection (Rle): ≈ 11% (double) / 13% (triple example)
- Internal light reflection (RIi): ≈ 13% (double) / 16% (triple example)
- Thermal transmittance Ug: 1.0 W/m².K (standard double glazing); 0.5 W/m².K (example triple glazing)
- Indicative carbon footprint: 22.04 kg CO2‑eq./m2 (double ORAÉ®); higher values depending on substrate and composition (e.g. 30.34, 30.90, 44.77 kg CO2‑eq./m2)
- Assembly: coating on face 2, edge deletion mandatory