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As the window opens, the top of the sash slides downwards and the bottom opens outwards. In addition to this operation, topswing windows have a mechanism which allows the sash to fully reverse through 180 degrees, this means the glass can be cleaned from the inside. |
Min. width | Min. height | Max. width | Max. height | Total max. width+height | |
Rationel FORMA | 558 mm | 548 mm | 1598 mm | 1598 mm | - |
Rationel FORMAPLUS | 558 mm | 548 mm | 1598 mm | 1598 mm | - |
Rationel AURA | 558 mm | 548 mm | 1598 mm | 1598 mm | - |
Rationel AURAPLUS | 558 mm | 548 mm | 1598 mm | 1598 mm | - |
Max width and height are subject to glass weight and spec.