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Thread: Support for Tile counter overhang

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    Support for Tile counter overhang

    Going to start my ODK build and am trying to visualize the tile countertop overhang. The countertop will be all one level, about 34 inches wide with a 24 inch base so about a 10 inch overhang for seating.

    How do I need to support the overhang? Would 1/2 inch plywood and 1/2 inch hardi provide enough support or do I need to frame some support for it?

    Also how do I mount the electrical boxes to stick out 1.5 inches? Going to rock the sides so need the boxes to stick out some.


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    Mod Squad tim5055's Avatar
    Join Date
    May 2014
    Columbia, SC

    Re: Support for Tile counter overhang

    I would think that with a 10" overhang the plywood & hardi backer would have a little too much flex. Add a couple corbels?
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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    4knights's Avatar
    Join Date
    Aug 2012
    NE Kansas

    Re: Support for Tile counter overhang

    Don't forget the weight of people's elbows as the lean on the edge, some try to sit on the edge or just "rest" their butts on it. A lot of added weight. I'm currently building mine and am going to use doubled steel studs sticking straight out and then add angles or corbels for the needed support. Like the image here:
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    Join Date
    Jan 2013
    Friendswood, TX

    Re: Support for Tile counter overhang

    The overhang definitely needs supported. You could use metal t bars to try to discreetly support the weight. How long is the counter?

    As for the boxes, I set mine in the stone. They are mortared in place.
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