1. ATTENTION returning members. If you are coming here from the old forum for the first time, you will need to reset you password. However, we had an email problem getting password reset links set out to a lot of the email addresses. That problem is temporarily rectified but IF you still have an issue, email me direct at info@thebuildingcodeforum.com and I will give you a temporary password.
    Dismiss Notice
  2. Welcome to the new and improved Building Code Forum. We appreciate you being here and hope that you are getting the information that you need concerning all codes of the building trades. This is a free forum to the public due to the generosity of the Sawhorses, Corporate Supporters and Supporters who have upgraded their accounts. If you would like to have improved access to the forum please upgrade to Sawhorse by clicking here: Upgrades
    Dismiss Notice

Altering a fire door

Discussion in 'Door & Hardware forum *Sponsored by Allegion' started by Robert, Apr 24, 2019.

  1. Robert

    Robert Sawhorse

    Joined:
    Jan 29, 2016
    Messages:
    179
    Likes Received:
    18
    I am trying to match existing door profiles in a residential project. The existing doors have wider stiles and rails then what I am finding in rated 90 minute door profiles. Can I order a 90 minute flush door and add 3/4" wood "stiles" and "rails" to one face of it without voiding the rating? This wood create a thicker door and I just want to be sure adding to it will not nullify the UL label. Thanks in advance.
     
  2. LGreene

    LGreene Sawhorse
    Staff Member

    Joined:
    Oct 20, 2009
    Messages:
    1,097
    Likes Received:
    84
    Hi Robert -

    It depends on what the door manufacturer's listings will allow. For example, Steelcraft (one of our brands that makes hollow metal doors) allows applied trim of certain materials up to a certain dimension. I think it also specifies how the trim has to be attached. This is not covered by the model codes or standards - you need to ask the door manufacturer what is acceptable.

    - Lori
     
  3. ADAguy

    ADAguy Sawhorse

    Joined:
    Sep 11, 2013
    Messages:
    3,098
    Likes Received:
    279
    untested alterations to labeled frames may void the certification.
     

Share This Page