Lock Lumi in place when it’s open and that’s exactly where it stays, no matter how strong the wind blows.
Lumi has a steel reinforced internal structure to keep what’s outside where it belongs.
Double gasket technology seals Lumi in place, making it much more energy efficient than framed windows.
Lumi’s super-secure, easy-clean design is also available as a roof light window. Lumi’s beauty is more than surface deep. Explore the smart technology that makes it possible.