Patent No. EP3187674 (titled "Sliding System With Rollers For Sliding Windows, Doors And Skylights") was filed by Ecosteel on Jan 24, 2017. The application was issued on Mar 25, 2020.
A sliding system for windows, doors, and skylights that addresses common issues of water and air leakage, and uneven installation. The system features detachable runners with horizontal and vertical rollers that can be integrated into a single profile, allowing for levelled installation and improved stability.

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