Vertical Blinds at the Office Building Waste Care. When thinking about sun blinds, people quickly think of protecting against the sun or darkening the rooms. Yet Senft offers much more than that. Whether it concerns screens, slats, shutters, complete glass conservatories or sheltered terraces, there is a custom solution for every situation. Due to the various products from Luxaflex, among others, state-of-the-art products are always used, tailored to the personal needs of the customer, always considering function, beauty and budget.