![door lock set door lock set](https://images.homedepot-static.com/productImages/097820cf-ef0c-4e4b-af25-41041c24999d/svn/premier-lock-chain-locks-mr01n-64_1000.jpg)
Grade 2 Residential, with excellent security and durability. Grade 1 Commercial, highest grade security and durability. The grade specified according to the standards of ANSI/BHMA indicate the security and durability of the lockset. Locks and handle sets are covered by standard A156.2, deadbolts by A156.5, and finishes by A156.18.Īspects of a lockset Three standard grades The American National Standards Institute (ANSI), a private non-profit organization, and the Builders Hardware Manufacturers Association (BHMA) administer and coordinate voluntary standardization to develop and maintain performance standards for builder's hardware.
DOOR LOCK SET CODE
For example, mandates of building code may forbid (e.g., E2141/F16 "Double-Keyed Deadbolt") from group occupancies, or require (e.g., F93/F15) certain functions on hotel or motel doors. New York City's Materials and Equipment Acceptance (MEA) Division of their Board of Standards and Appeals (BSA) ), or by local building codes. Many municipalities also regulate locksets in terms of fire rating, using standards determined more broadly by national or international organizations such as Underwriters Laboratories in the United States or the International Code Council, which are often supplemented by local governmental organizations (e.g. Typically, locksets that employ doorknob-controlled latches are forbidden for public use in favor of lever handles, which are easier to operate by gravity instead of the grasping and turning required by knobs.
![door lock set door lock set](https://thehomeandtools.com/wp-content/uploads/2020/02/Berlin-ModischFront-Door-Lever-Lock-Set-1024x890.jpg)
The Americans with Disabilities Act of 1990, under Title III, and many state and local governments regulate locksets in buildings occupied by the public.