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Thread: Cutting door in foundation block wall

  1. #1
    Retired tool & Die and Mechanic Giles's Avatar
    Join Date
    Aug 2007
    N.W. Alabama--Florence--

    Default Cutting door in foundation block wall

    I have a home that has a large crawlspace. I have enough headroom, twelve blocks high, to install a standard height 36" door and it would involve cutting through an 8" cement block wall.
    It was originally an outside wall with one story above before the addition of a storage room.
    Would it be advised to support the above structure before removing blocks, and would a lintel be necessary?

  2. #2
    In the Trades Gary Swart's Avatar
    Join Date
    Sep 2004
    Yakima WA


    I would be wise to contract a professional contractor to do this. You are messing with the structural integrity of the building.

  3. #3
    Moderator & Master Plumber hj's Avatar
    Join Date
    Aug 2004
    Cave Creek, Arizona

    Default doorway

    You would only need a lintel if there were block or brick above the opening, and it does not appear that you would have room for that. You could need a header, but depending on where you cut the door relative to the framing members above it, there might be little, if any, need for it.


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