What is Doormaster™? If you have a broken multipoint lock, Yale’s Doormaster™ range allows you to replace just the lock, instead of having to replace the whole door, making the job an easier fix and much more affordable. What is a ‘multipoint lock’? A multipoint lock runs the length of virtually all PVCu and composite doors, and in many timber doors. They often lock in three places, and feature rollers to ensure a tight, weatherproof seal, making for a highly efficient and more secure locking solution. The Doormaster™ Range You can learn more about our Doormaster™ replacement multipoint locks, by reading the product specification or by contacting your local stockist.