Check the height of other knobs in the house and.
Lockset floor distance.
Cross or edge bore.
The measurement is usually 2 3 8 inches for interior doors and 2 3 4 inches for exterior doors.
Latch bolt projection is the length the latch bolt extends from the door s edge.
The small hole along the edge of the door frame usually measuring about 1 inch in diameter.
Mounting height of hardware.
Other backsets include 2 used by national and lori lock and 5 used by weiser weslock kwikset and others.
Albion 16lf0580 16 series floor lock 5 caster wheel diameter 6 1 2 caster height 3 4 retracted clearance 4 1 2 length x 4 width base plate 1 0 out of 5 stars 1 34 51 34.
What is the ansi recommendation for the distance between the actuator and the door opening.
Installers typically drill the hole centered 36 inches above the floor if not specifically instructed to do so differently exceptions to the rule include doors that provide egress into swimming pools or other water features.
Most knobs are positioned a comfortable 36 or 38 inches above the floor.
Backset the distance from the edge of the door to the center of the lock bore.
The ansi 156 19 standard states in appendix a 5 knowing act switches that wall actuators are to have an installation height of a minimum of 34 and a maximum of 48 center of the switch off the finished floor and preferably located.
Refer to this when you buy your new lockset to make sure the hardware is.
Hartford satin nickel single cylinder keyed entry project pack featuring a lifetime guarantee defiant offers featuring a lifetime guarantee defiant offers this hartford keyed entry knob and single cylinder deadbolt with proven durability and security.
If you re installing a lockset in an existing door take out the old lockset and measure the backset the distance from the door edge to the center of the lockset hole.
The two important variables when installing a lockset are the height of the knob above the finish floor and the backset the distance from the center of the knob to the near edge of the door.
Two standard backsets are 2 3 8 and 2 3 4.
Usually the backset measures 2 3 8 inches or 2 3 4 inches.
Hardware required for accessible door passage shall be mounted no higher than 48 in 1220 mm above finished floor the standard did not define the low limit of the hardware mounting height.
The international building code has established doorknob height between 34 and 48 inches above a finished floor.
Backset distance is the distance from the door s edge to the center of the handle s mounting hole.
In the previous edition of the ada standard section 4 13 9 included this statement.
The distance between the edge of the door and the center of the lock hole.
Two standard backsets are 2 3 8 and 2 3 4.
