This page contains resources for use by our systems customers. In addition to our engineering calculators, systems customers may also view the extrusion catalogue for G.James product lines such as our range of window and door series.

If you are one of our systems customers and require access to this page, please contact us with your account details to request access to these tools. If you do not have an account on the G.James website, please sign up before requesting systems customer access.

  1. G.James Extrusion Catalogue

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  2. G.James Product Manual Library

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  3. Mullion & Transom Analysis

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  4. Acoustic Performance

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  5. Min. Glass Thickness Calculator

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  6. Dead Load Analysis

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  7. Glass Fin Analysis

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