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User questions

What parts are needed to convert functions on a 8500 mortise lock body?
Available kits to convert classroom mortise locks to classroom security locks.
AD changing Function in the field
Why does my 7500 retract the latch bolt but not re-lock the trim?
What is the difference between a classroom and an entry lock?
How do I change the function of the Von Duprin 7500 mortise lock from Lever ( classroom ) to NL ( night latch )?
What is the difference between the classroom and storeroom functions?

How many P & D (Pierce and Dimple) holes are in a frame?
What is ASTM E-119?
What is the maximum glass light size available on a 20 minute sidelight frame?
Are Steelcraft doors and/or frames fire rated?
Are hospital stops approved on fire rated frames?
Can fire rated double egress frames have side lights or transoms?
Can a 1 3/4" thick panel be used in a fire rated transom frame with a transom bar?
Can wood doors be used with with double egress frames?
Are frames available without backbends?

What firmware does my CO-100 lock have?
What is clear opening width?
What's needed to write a door hardware specification?
How are Butt Hinges located?
Does Allegion assist with access control?
Does Allegion write specifications and specs?
What is GrainTech?
What causes the top rod case to pull away from or strip out of the face of a steel door?
What is the most common practice for running electric power from a frame to the door and hardware?
What options are available on the CE-Series doors?
Does Von Duprin offer an exit device for exterior use?
Why can't I get my JD YA6 cylinder to install into an AD-Series lock?
What is the difference between Panic Hardware and Fire Exit Hardware?
Schlage Residential products, information and brochures?
Are GrainTech doors available with hardware preps?
Is there adjustment limits on the regulation valves of LCN manual closers?
When are Panic Devices required?
What is delayed egress hardware?
Will a 4640 operator open the door in windy conditions?
What causes the error "Device does not support this action - E802" when I'm coupling an AD lock?
Did the W501 lock operation change?

What size machine screws are used with thru bolts and a 2-3/4" thick door and a 4040 closer?
How do you adjust a door closer?
What length SRT screw is used for mounting the body of a 1461 closer?
What are the SRT screws lengths used with LCN Closers?
Do I need to order the LCN 4040XP closer X ST-3596 to get the cover screw to secure the snap on cover to the cylinder?
What is SRI?

What is the maximum size of a UL fire rated three (3) sided frame?
Is there a mullion for use in double egress applications?
What is the difference between the FE and DE-Series frames
What is the definition of double egress?
Can a 4600 operator be mounted with pivots?
Does a SEH require a door closer?
What are the minimum door widths for a Senior Swing?
Do Von Duprin Exit devices meet the 5 pound force requirement for opening an ADA handicapped door opening?
Outside lever on the T and RU 571's won't unlock after egress.
Can wood doors be used with with double egress frames?
Are astragals required on fire doors?
Can a Senior Swing 2850 or 2860 be used on a Double Egress (DE) door?
Do you need Double Egress arm to install a 4040SE on the Push Side of a door?
DOUBLE EGRESS DOORS
What astragals are available?
What is an astragal?