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Doormaster Professional Replacement Lock for PVC/Timber/Comp Doors

ASSA/Yale Securistyle

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Quick Overview

Yale Doormaster™ Professional is a High Security replacement lock designed to replace 100% of locks with top and bottom hooks or bolts, a 35m or 45mm backset, and a 16mm or 20mm faceplate. With three hooks and two rollers, the Doormaster™ Professional has been tested to the Police Approved Secured By Design standard and is PAS 24 door set capable. Designed with the professional installer in mind, this lock includes Crop and Mate technology to maximise the scope of installation. Several patented features plus the variety of faceplate widths makes the Professional Lock the ideal choice where a higher level of security is required - regardless of door material


Replaces 100% of locks with top and bottom hooks or bolts, 35 or 45mm backsets, and 16 or 20mm faceplates
Designed for installation by professionals
Cut and mate to suit the door
Supplied with pre-assembled keeps using the patented 'Uni-packer' system for fast, easy, and reliable installation
Variants available for PVCu, Timber and Composite doors
3 Hook Bolts for High Security anti-separation
Fixing tabs for easy and secure fitting
Rounded ends for safe installation
Designed and tested to Police Approved standard 'Secured By Design' and PAS 24 door set capable
10 year guarantee


Available with 35mm or 45mm backset
92mm centres
16mm and 20mm faceplate variants
Supplied with pre-assembled keep set and all fixings
Supplied with split handle spindle for optional night latch function


Configuration Backset Product Availability Qty
PVCu 35mm YDM-PRO-PVCU-35 Professional 35mm replacement lock for PVCU doors In stock
PVCu 45mm YDM-PRO-PVCU-45 Professional 45mm replacement lock for PVCU doors In stock
Timber 45mm YDM-PRO-TIMBR-45 Professional 45mm replacement lock for Timber & Composite Doors In stock

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