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  1. #1
    Join Date
    Jun 2011
    Posts
    4

    Default Drywall over painted block

    Can someone tell me if it acceptable to install drywall directly over painted masonry block with adhesive in lieu of firring strips?

  2. #2
    Join Date
    Dec 2010
    Location
    Houston Texas
    Posts
    2,952

    Default Re: Drywall over painted block

    You can IF

    1- This is a dry location and there is NO risk of water getting to the back side of the drywall

    2- You have no desire to remove the drywall in the future. Whomever gets to remove this drywall will curse the day you were born. Furring strips help solve this problem

    3- The block is plumb and straight enough to get nice drywall joints. Furring strips help solve this problem

    4- You have no desire to attach baseboards, crown moulding, or trim. Furring strips help solve this problem

    5- You have no desire to have electrical, plumbing, audio / video. Furring strips help solve this problem

    6- You have some way to get the drywall panels to stay where you want them while the glue sets. Furring strips help solve this problem

    Why do you want to do this?

  3. #3
    Join Date
    Aug 2007
    Posts
    6,969

    Default Re: Drywall over painted block

    Quote Originally Posted by HoustonRemodeler View Post
    3- The block is plumb and straight enough to get nice drywall joints. Furring strips help solve this problem
    Now wait a minute, are you saying that furring strips will F-up a plumb and straight wall?

    I know what you meant, but it bears fixing for clarity.
    I suffer from CDO ... Its like OCD, but in alphabetical order, LIKE IT SHOULD BE!!!

  4. #4
    Join Date
    Dec 2010
    Location
    Houston Texas
    Posts
    2,952

    Default Re: Drywall over painted block

    I am thinking about leaving it, just to see if anyone else is paying attention.

  5. #5
    Join Date
    Jun 2011
    Posts
    4

    Default Re: Drywall over painted block

    This is an existing finished area being used as a church nursery. Existing walls are painted block (many coats). The existing doors are trimmed with 3/4"material and all electrical is existing and fine where it is. The purpose of the drywall is to update the look of the block. This area also has a drop ceiling. If I use firring strips I will have to re-trim the doors and extend the jambs. If I apply the drywall directly, I will save the cost of this as well as the cost of applying the firring strips.

  6. #6
    Join Date
    Aug 2007
    Posts
    6,969

    Default Re: Drywall over painted block

    Rather than overlay the walls, I think I'd be inclined to skim coat them with either plaster or drywall compound to smooth the surface and mimic drywall. It would be a whole lot easier, cheaper, and cleaner to do.
    I suffer from CDO ... Its like OCD, but in alphabetical order, LIKE IT SHOULD BE!!!

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