What Knobset Should I Use
Date:May 08, 2019
Latches and knobs which have an integral locking and/or latch mechanism.Where fitted, latches and knobsets MUST be CERTIFIRE Approved.
Handles, knobs, spyholes are NOT classed as 'Essential Ironmongery' but are still vital to the fire resistance performance of the door.
You must still refer to fire door manufacturer’s instructions before fitting such components.