Pilkington Spectrum 4+

IGU Configuration

Pilkington Group Ltd

Designed for iPad

    • Free



Pilkington Spectrum is a Windows-based glass performance model which enables you to quickly and efficiently calculate key properties of insulating glass units without the need to construct and measure them.

You can use Pilkington Spectrum to provide the following information:
- light and solar properties (transmittance, reflectance, absorptance, g value, etc.) in accordance with EN 410,
- centre pane U-value in accordance with EN 673 (with an option to display the U-value to two decimal places),
- sound insulation values in accordance with EN ISO 140-3 or generally accepted values from EN 12758,
- ultra violet (uv) transmittance and colour rendering index (Ra) in accordance with EN 410,
- other properties (e.g. pendulum body impact resistance, fire resistance, resistance to manual attack, etc.).

This information is available for single glazing, insulating glass units (double, triple and quadruple glazing) and secondary glazing, or double window configurations.

The database includes a comprehensive range of our products, provided by benefit-led category (e.g. solar control, thermal insulation, self-cleaning, solar control, etc.). We have also provided details of our relevant technical contacts, in case you require any additional technical information.

What’s New

Version 3.3.10

Fixes and Improvements

App Privacy

The developer, Pilkington Group Ltd, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Location
  • Contact Info
  • Identifiers

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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