Drilling Holes In Fire Rated Doors

A maximum of undercut on rated wood and composite doors is allowed.

Drilling holes in fire rated doors.

Installers are permitted to drill holes in fire rated doors. If you ever remove hardware or plates from fire rated doors the holes left behind technically violate nfpa standards. This practice is acceptable as long as the hole does not exceed a diameter of one inch except for cylinder holes in accordance with nfpa 80 1 3 4. The integrity of the fire door has been compromised.

All mounting screws or bolts must be made of. Here are some things you can do to a fire listed door in the field. A filler has been successfully tested for use on wood fire doors and can be used to fill holes a maximum of 3 4 in diameter on a wood door rated for up to 90 minutes. Is a fire door with two 54mm holes compliant.

The standard lists what shall be performed in the field and any item not specifically enumerated in the standard is not allowed. 3 16 holes 5 from end 12 o c. Fire rated door and frame. You can drill up to a one inch hole in the surface of the door for surface applied hardware such as a listed peephole or lock cylinder.

If a fire door is damaged to expose friable asbestos material the material and door will. Replacing a fire door is a costly endeavor especially when there are only small holes located in the door. Drilling raceways for wires on the job site when permitted by the laboratory with which the door is listed must also be performed in accordance with the door manufacturer s listing. Fire doors and asbestos the use of asbestos in fire doors was outlawed in 1981 however asbestos was still being used up until 1983.

5 5 7 when holes are left in a door or frame due to changes or removal of hardware or plant ons the holes shall be repaired by the following methods. Double egress 3 step profile. 1 install steel fasteners that completely fill the holes. A 1 1 see annex k for general information about fire doors.

It must be replaced. These requirements apply to all fire rated doors frames and windows. However there is a fire door caulk that has been successfully tested and listed for that purpose that can be used with ahj approval. The 2013 edition of nfpa 80.

Nfpa80 2016 4 1 3 1 thru 4 1 3 2 5. 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. 1 2 steel aluminum or wood plant on. Fortunately there are two methods to seal small holes caused by the removal of hardware.

Note that the modifications may be done only to install approved fire labeled hardware. 1 1 1 with the exception of fabric fire safety curtain assemblies this standard addresses assemblies that have. With regard to filling holes in fire door assemblies nfpa 80 2013 states.