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  1. #1
    TIM MASTICK's Avatar
    TIM MASTICK Guest

    Default Maximum step down for a french door

    We have an outswinging french door with a 6" step and was told this can be no more than 1 1/2" step down. I just wanted to clarify before I rip out the door and have it swing inward. This door goes out to a patio and the other door in the room goes to the garage. This door is also the only one on this floor that takes you outside of the home without going up a flight of stairs.

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  2. #2
    Join Date
    Mar 2007
    Location
    Connecticut
    Posts
    1,828

    Default Re: Maximum step down for a french door

    This should help

    From the 2006 IRC.
    R311.4.3 Landings at doors.
    There shall be a floor or landing
    on each side of each exterior door. The floor or landing
    at the exterior door shall not be more than 1.5 inches (38
    mm) lower than the top of the threshold. The landing shall
    be permitted to have a slope not to exceed 0.25 unit vertical
    in 12 units horizontal (2-percent).

    Exceptions:
    1. Where a stairway of two or fewer risers is located
    on the exterior side of a door, other than the
    required exit door, a landing is not required for the
    exterior side of the door provided the door, other
    than an exterior storm or screen door does not
    swing over the stairway.
    2. The exterior landing at an exterior doorway shall
    not be more than 7
    3/4 inches (196 mm) below the
    top of the threshold, provided the door, other than
    an exterior storm or screen door does not swing
    over the landing.
    3. The height of floors at exterior doors other than the
    exit door required by Section R311.4.1 shall not be
    more than 7
    3/4 inches (186 mm) lower than the top
    of the threshold.
    The width of each landing shall not be less than the door
    served. Every landing shall have a minimum dimension of

    36 inches (914 mm) measured in the direction of travel.



  3. #3
    Join Date
    Mar 2007
    Location
    Columbus GA
    Posts
    3,746

    Default Re: Maximum step down for a french door

    That is correct.
    The landing on an outswing door can be no greater than 1.5 inches below the threshold.
    I have included the code that addresses this.

    R311.4.3 Landings at doors.
    There shall be a floor or landing
    on each side of each exterior door. The floor or landing
    at the exterior door shall not be more than 1.5 inches (38
    mm) lower than the top of the threshold. The landing shall
    be permitted to have a slope not to exceed 0.25 unit vertical
    in 12 units horizontal (2-percent).

    Exceptions:

    1. Where a stairway of two or fewer risers is located
    on the exterior side of a door, other than the
    required exit door, a landing is not required for the
    exterior side of the door provided the door, other
    than an exterior storm or screen door does not
    swing over the stairway.
    2. The exterior landing at an exterior doorway shall
    not be more than 7
    3/4 inches (196 mm) below the
    top of the threshold, provided the door, other than
    an exterior storm or screen door does not swing
    over the landing.
    3. The height of floors at exterior doors other than the
    exit door required by Section R311.4.1 shall not be
    more than 7
    3/4 inches (186 mm) lower than the top
    of the threshold.
    The width of each landing shall not be less than the door
    served. Every landing shall have a minimum dimension of

    36 inches (914 mm) measured in the direction of travel.


    ' correct a wise man and you gain a friend... correct a fool and he'll bloody your nose'.

  4. #4
    Bob Spermo's Avatar
    Bob Spermo Guest

    Default Re: Maximum step down for a french door

    Tim,

    Could you build a platform on top of the patio to reduce the drop? Of course the platform would have to be big enough to accomodate the outswing door.


  5. #5
    TIM MASTICK's Avatar
    TIM MASTICK Guest

    Default Re: Maximum step down for a french door

    Thanks so much for the info...


  6. #6
    TIM MASTICK's Avatar
    TIM MASTICK Guest

    Default Re: Maximum step down for a french door

    A platform was my 1st thought until I layed it out. It was so big it impeded the walkway so that is out. Just going to have to flip the door.....


  7. #7
    Join Date
    Mar 2007
    Location
    Columbus GA
    Posts
    3,746

    Default Re: Maximum step down for a french door

    If you flip the door so that it opens inward, be sure that the door does not block a light switch.


    ' correct a wise man and you gain a friend... correct a fool and he'll bloody your nose'.

  8. #8
    TIM MASTICK's Avatar
    TIM MASTICK Guest

    Default Re: Maximum step down for a french door

    thanks for the heads up


  9. #9
    Join Date
    Mar 2007
    Location
    Ormond Beach, Florida
    Posts
    26,250

    Default Re: Maximum step down for a french door

    Quote Originally Posted by TIM MASTICK View Post
    A platform was my 1st thought until I layed it out. It was so big it impeded the walkway so that is out. Just going to have to flip the door.....
    Make sure the door is suitable to be switched around like that - most exterior doors are not suitable to just turn around and use backward - the door, weather strip, and threshold are designed to be installed with the exterior side facing the exterior. Switching the door around will likely defeat all those weather resisting features, besides, doors are rated for given wind pressures and if the door is installed backward there is no rating.

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  10. #10
    TIM MASTICK's Avatar
    TIM MASTICK Guest

    Default Re: Maximum step down for a french door

    Didnt even think of that thanks


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