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We offer two different sill sizes for our sash windows, 150mm or 210mm. Both options come with an internal up-stand. The 150mm should be used if a none-projecting sill is required, for example if your window will sit on top of an existing stone sill. If your window requires a projecting sill you will need the 210mm option.
Please note, our news articles are relevant and accurate at the time of release, but as technical developments dictate, and times goes by the information in this article may no longer be applicable. If you have questions, please contact us using our online contact form or call us on 03332 412 240.