Tunnel box for stackable shutters

Sunon, with more than 30 years of experience, has turned stackable blind tunnel boxes into a classic and reliable option for those who value energy efficiency, light control and impeccable aesthetic integration.

The ROKA Shadow model stands out for offering up to 20% more insulation than other solutions, guaranteeing greater thermal comfort. In addition, its design allows to hide part of the pre-frame and the window frame, improving both efficiency and aesthetics. When the Venetians are collected, the box is perfectly aligned with the dintell, offering a clean, elegant and functional solution.