- rectangular box shape
- box made of styropor
- available boxes with construction depth of: 280 mm, 300 mm, 345 mm, 365 mm
- curtain type: aluminum filled with polyurethane foam or PVC
- inspection flap from the bottom inside
- aluminum and PVC guides
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The system is an advanced technological solution, ideally suited to both new and renovated buildings. An improved lintel, with an inspection flap from the side of the room, ensures the tightness of the entire structure. Also available Roka-Top 2 EX version, where the installation of the box on the window becomes even simpler and faster.