For this reason either spring hinges or a listed door closer is required.
Fire door closer requirements.
Hardware consisting of bars that extend to at least half of the width of the door leaf.
Door closer the door closer must comply with the bs en1154 standard or nfpa 80.
Door and frame requirements wooden fire doors must have solid wood or mineral cores while steel doors typically have honeycombed or insulated cores.
There are acceptable ways to hold open fire doors using electromagnetic holders or closer holder combinations that contain integral smoke detectors or are initiated by the fire alarm system.
20 45 60 90 minute or 3 hour label heavy duty 18 gauge steel doors.
For example this should not be less than 30 inches and not more than 44 inches above the floor.
Here are 3 types of door closers that might be present in your facility.
Above all equip doors with panic hardware and fire exit hardware.
Alignment device if the positioner is installed on the door the inactive leaf closes before active leaf.
The door should be prepped at the factory so there is no more than three quarters of an inch of clearance between the bottom of the door and the finished floor.
Door lever trim the lever trim must comply with the en1634 fire rated.
Fire door must be in a closed and latched position to serve as a protective barrier in the event of a fire.
Steel is the sole door material to deliver a 3 hour fire rating.
A 1 1 see annex k for general information about fire doors.
An applied force of 15 pounds should be enough to release the latch.
This standard regulates the installation and maintenance of assemblies and devices used to protect openings in walls floors and ceilings against the spread of fire and smoke within into or out of buildings.
A fire door must be in a closed and latched position to serve as a protective barrier in the event of a fire.
1 1 1 with the exception of fabric fire safety curtain assemblies this standard addresses assemblies that have.
When smoke is detected the doors close and provide 20 45 60 90 or 180 minutes of protection.
Each one has different regulations and requirements.
A properly sized closing device is the last of the basic fire door hardware requirements.
Metal fire doors are an economical alternative to wood fire doors when more than a 20 minute rating is required.