WERS Search

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Performance Data as supplied to the Window Energy Rating Scheme (WERS)

Search

  1. U Value

  2. SHGCw (Solar Heat Gain Coefficient)

  5. Glass Type

    Keyword search through the glass descriptions. Enter a keyword for product or colour such as "eclipse".

  6. Single/Double Glazing

For more information, please contact your G.James representative or use our Professional Support Page.