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Thread: Increase the height of base cabinets/countertop

  1. #1
    DIY Junior Member jstevens's Avatar
    Join Date
    Oct 2009
    Rhode Island

    Default Increase the height of base cabinets/countertop

    My cabinets are 34 inches above the finished floor (they are existing cabinets so I don't want to raise them from the bottom). It looks like they were installed on the subfloor so I lose a half inch with my finished floor. There is no countertop installed yet, but I plan on getting a silestone countertop that is 1 1/4 inches. This would make the total height 35 1/4. I need it to be 36 inches to fit my slide in stove and dishwasher. Can I put a layer of 3/4 inch plywood under the silestone to raise the height? Will it look bad? What can I do to mask the plywood once the countertop is installed.

    I appreciate any help. Thank you.

  2. #2
    I&C Engineer (mostly WWTP) Lakee911's Avatar
    Join Date
    Aug 2005
    Columbus, OH


    Finish something nicely to match the cabinets and put that on the edge, set proud slightly (maybe 1/4" or so to give a nice shadow line and nothing hard to line up). Put counter on that.

  3. #3
    Plumbing Designer FloridaOrange's Avatar
    Join Date
    Dec 2005
    SW Florida


    I have heard countertop installers require a plywood base on granite countertops, just don't know the specifics.

    I say do it, either run a router on it or paint is black.
    Semi-professional plumbing designer
    Enjoying life in SW Florida

  4. #4
    Retired Defense Industry Engineer jadnashua's Avatar
    Join Date
    Sep 2004
    New England


    If the counter is made with a front build-up to make it look thicker, it may totally hide the plywood you put down. The silestone often comes in 1/2" or 3/4" thick, then they double the front to make it look thicker.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  5. #5
    DIY Senior Member Jeff1's Avatar
    Join Date
    May 2006
    So Cal


    I just had countertops installed on new cabinets. They installed plywood then the stone tops. Overall they added about 1.5" to the height of the cabinets. I believe this is a standard height. I had to raise my dishwasher to match the height. The stove looks about right too. The face hides the plywood nicely.

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