Cutting door in foundation block wall

Discussion in 'Remodel Forum & Blog' started by Giles, Dec 23, 2009.

  1. Giles

    Giles Retired tool & Die and Mechanic

    Messages:
    112
    Location:
    N.W. Alabama--Florence--
    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. Gary Swart

    Gary Swart In the Trades

    Messages:
    7,341
    Location:
    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. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,537
    Location:
    Cave Creek, Arizona
    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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