1. Aluminium on the outside in unframed shapes is the system's carrying structure. The side hardware slides on this structure at several closing points.
2. Solid wood on the inside (natural oak wood and oak wood painted to look like walnut and cherry wood), which is merely decorative due to the special fixing technique.
3. The mix of wood and aluminium, which is optimised by way of special rotary nylon clips ensuring there is no contact between the two sashes in case of different expansion of the two materials.
4. An aluminium-glazing bead is clicked into the carrying structure, which makes the life of the interior wood much longer, as it prevents shock from the outside.
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5. A wooden frame covering the aluminium-glazing bead is fitted in place without using screws or nails.
6. The frame is totally hung and isolated by way of special connections to the wall allowing the cover release.
7. Water flows rapidly into the appropriate drains located on the bottom rail of the frame; a wide pre-chamber slanted towards the outside allows direct glass ventilation.
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