Yale 8 Security lock system The NEW advanced multipoint locking system for PVC-U doors Utilising unique anti-friction technology and linear compression bolt-motion, the Yale 8 range offers smooth and easy operation, providing effortless lock engagement and a greater degree of security than conventional roller and bolt door locks. A staggering 26% of all domestic heat loss escapes through the windows*. Installing energy efficient windows can save you money on your heating bills when compared to standard double glazed windows.
