One of my original goals when I started this blog in 2009, was to make learning about codes less painful.  I think these whiteboard animation videos do just that!  Here’s the latest…all about fire door assemblies!

Note:  Although the video references the limit of 1-inch diameter holes for job-site preparation of fire doors, this was changed in the 2016 edition of NFPA 80.  There is more information about the change in this post.  In addition, the video states that deadbolts may not be installed on fire doors, but in limited locations, listed deadbolts may be installed on fire doors along with positive-latching hardware.  Refer to this Decoded article for more information about deadbolts.

The rest of our whiteboard animation videos can be found on the Allegion Training page, or on the Videos page of

What other topics would you like to see addressed in future videos?

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