Suitable for use in double and triple glazed units for curtainwall facades and windows. Particularly well suited to tertiary buildings.


High-performance solar-control glazing range with thermal insulation. The solar control function is achieved by applying a selective metal coating.

Glazing for windows and curtainwall facades providing both solar control and thermal insulations functions. These high performance coated glass types offer a range of Light Transmission, Solar Factor (g-value) and U value depending on your project requirements. Available in different safety glass options including toughened glass, heat-strengthened glass and laminated glass.

Features and benefits:

  • High light transmission, low solar heat throughput.
  • Stopray solar-control glazing with thermal insulation is suitable for all climates: combines solar control in summer with thermal insulation in winter.
  • Various colours, including an extraordinary neutral, low light-reflection range.
  • Always in double glazed units. Monolithic glass available to processors.
  • Selectivity (relationship between LT and SF = maximum 2): Excellent for the range of neutral colours.
  • Assists in keeping energy costs to a minimum.
  • Wide range of light reflection and light transmission levels.
  • Different colours, extensive range of neutral colours.
  • Available in different safety glass options including toughened glass, heat-strengthened glass and laminated glass. 

General information



Uniclass 2015

Pr_25_71_33_42 Insulated glass units (IGUs)Primary
Pr_25_71_33/305 Glass generally
Pr_25_71_33_46 Laminated glass sheets
Pr_25_71_33_88 Thermally toughened glass sheets


L40/380 Bead-fixed insulating glass units

H13/115 Structural glass assembly

L10/390 Proprietary windows

H10/10 Patent glazing

L10/31 PVC-U windows

L40/40 Putty-fronted single-glazing

L40/50 Bead-fixed single-glazing

L40/55 Bead-fixed insulating glass units

L40/57 Bead-fixed insulating glass units

H10/115 Patent glazing

L10/330 Aluminium windows

L10/20 Steel windows

L40/90 Internal tape glazing

L40/58 Bead-fixed insulating glass units

L40/371 Bead-fixed insulating glass units

H11/110 Curtain walling

L10/350 PVC-U windows

L10/15 Wood windows

L10/25 Aluminium windows

L10/30 PVC-U windows

L40/370 Bead-fixed insulating glass units

L10/210 Wood windows

L10/580 Secondary glazing system

L10/10 Wood windows

L10/33 Proprietary windows

L40/372 Bead-fixed insulating glass units

L40/381 Bead-fixed insulating glass units

L10/310 Steel windows

L10/400 Composite windows

L10/58 Secondary glazing system

Specification data - Insulated glass units (IGUs) Enhanced data

Third-party certification

Cradle to Cradle Certified Silver.

Environmental Product Declaration (EPD).

Pane arrangement



Performance requirements



Up to 72%.

Depends on coated glass type.

Solar control


Depending on coated glass type selected. Consult manufacturer for further information.

Thermal insulation

1.0 W/m²K.

Double glazed units.

0.6 W/m²K.

Triple glazed units.

Sound attenuation

32 dB.

(Rw). High acoustic specifications available, consult manufacturer.

Product Reference

Silver Flex

Silver-grey glass, prized for its superb solar control. Ideal for buildings located in hot regions and those with facades exposed to sunlight.

Titanium 37T

Light and energy performance. Light transmission: 36%; g-value: 24%; U-value: 1.0 W/m²K.

Ultraselect 50 on Clearvision

A neutral high-performance glass. 51% Light transmission: 51%; g-value: 24%; U-value: 1.0 W/m²K.

Ultraselect 62/29 on Clearvision

Vision 40

A very neutral high performance glass. Light transmission: up to 40%; Solar factor: 21%; U-value: 1.0 W/m²K (based on double glazing 6-16-4 with 90% Argon).

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Overall size

Environmental information

Contains Red List materials


Country of material origin



Third party certifications
  • Cradle to Cradle: Silver
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