Performance Data as supplied to the Window Energy Rating Scheme (WERS)
Search the G.James WERS database using any of the filters below. Alternatively, you can Show All to browse a complete listing of WERS rated G.James products.
U Value Less than or equal to
SHGCw (Solar Heat Gain Coefficient) Within ∓ 10% less than or equal to
Single/Double Glazing Either Single Double
Product Type No Preference Awning Window Bi-Fold Door Curtain Wall Curtain Wall Double Hung Window Fixed Window Hinged Door Jockey Sash Louvre Window Sliding Door Sliding Window
Series number -- select series-- 048 series 050 series 075 series 130 series 131 series 136 series 138 series 165 series 245 series 265 series 268 series 425 series 445 series 448 series 450 series 451 series 453 series 470 series 472 series 475 series 477 series 650 series 650-500 series 651 series 651-500 series 654 series 850-500 series
Glass Tone No Preference Blue Bronze Clear Green Grey Red
Glass Type
Keyword search through the glass descriptions. Enter a keyword for product or colour such as "eclipse".
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