If both leaves of the pair are opened and the active leaf begins to close first the coordinator will hold the active leaf open slightly allowing the inactive leaf to close.
Active vs inactive door leaf.
The inactive leaf is the leaf which typically stays closed with flush bolts or surface bolts and is opened when a larger opening is needed.
Astragal must be applied to pull side of active leaf since placing the stragal on the inside of the inactive leaf will interfere with the active door closing.
Also note that astragals are actually required on 3 hour fire rated pairs of doors.
The active leaf is the leaf upon which the locking hardware is installed and is used most often.
When the active leaf is opened the flush bolts are retracted allowing the inactive door to open.
Although mortise lock exit devices can be installed onto single door openings the mortise lock exit device is often installed onto the active leaf of a pair of doors.
When the active leaf is closed the flush bolts are automatically latched again.
Many double door applications will only require one leaf in the pair to have a keyed lock.
The astragal can be attached to the active entries exits or inactive leaf depending on the function and application.
Double doors typically have an active leaf and and inactive leaf.
Active door in a pair of doors the leaf of a pair that is actively used ahc architectural hardware consultant active door in a pair of doors the leaf of a pair that is actively used ahc architectural hardware consultant anti friction bearing any bearing capable of effectively reducing friction.
On double egress doors astragals can be attached to either leaf since both are active.
This leaf will be the active leaf.
Astragal must be applied to pull side of active leaf since placing the stragal on the inside of the inactive leaf will interfere with the active door closing.
When the inactive leaf closes completely it triggers the coordinator to release the active leaf and allow it to close.
Knowing which door is the active leaf also helps with determining the handing of the.
Active door leaf vs.