Bloc Premium skylight blinds are unlike anything else on the market. With a range of additional patented design features, they are compatible with all major skylight brands. We can also work with you to engineer custom blinds for your skylights. Simple to order, made to measure and even easier to install, these are the ultimate high performance skylight blind. Our 4 screw system means installation is easy and mess-free, while our cord-free mechanism makes it safe for use in children's rooms.