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Yes, you can fit trickle vents to our bi-folding doors after manufacture if you have the correct tools. However, we don’t advise you to do this, as it may damage the panel and/or frame and would incur a cost to fix or replace.
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.