Anchoring a cabinet to a tile floor that is laid on a concrete floor

Posted by Tory707 on February 23, 2006, 10:41 am

I will be installing a bar on top of a ceramic tile floor that has been
laid on a concrete basement floor. The one end of the bar needs to be
achored to the floor so it does not move around. looking for a way to
anchor a 2x4 to the tile/concrete floor so I can attach the bar to it
without breaking the tile.

Posted by louie on February 23, 2006, 11:05 am

I did this with a kitchen island once and had success using a masonry
drill bit. I just drilled through the tile to give clearance to the
screws I was using and screwed the 2x4s down to the subfloor. If it's
concrete below, what I would consider doing in that case is same
treatment of the tile (clearance hole - if it's a 1/4" fastener use a
5/16" or 3/8" bit - be generous in the size, it'll make alignment much
easier) and using a Tapcon fastener to attach to the concrete below.
You'll have the change drill bits once you get through the tile and
start drilling concrete. Tapcon packages state the appropriate bit
size, and some larger packages actually include the drill bit. Maybe
some construction adhesive would be a decent idea in addition to the
screws.

Posted by SQLit on February 23, 2006, 11:06 am

> I will be installing a bar on top of a ceramic tile floor that has been
> laid on a concrete basement floor. The one end of the bar needs to be
> achored to the floor so it does not move around. looking for a way to
> anchor a 2x4 to the tile/concrete floor so I can attach the bar to it
> without breaking the tile.

Drilling takes time and PATIENCE and the right tools. Carbide bits can be
used, be careful, absolutely no hammer action on the tile.
Diamond bits can be used as well. Still no hammering action on the tile.

There are some construction adhesives that are pretty good.

Posted by hapticz@msn.com on February 23, 2006, 12:27 pm

if you dont consider future use of the room to keep the existing floor
tile intact, just use masonry drill of appropriate size to drill for
expansion bolts into the concrete subfloor. use threaded studs that you
can then run up through the bar foundation

if you ever do want to move the bar and dont want to go hunting for
exact tile replacements after the drilljob above, then use a good
quantity of fast setting cement (fastplug?) to create an island of mass
large enough to prevent the bar from walking away from its location.
you may be relying on the ceramic tiles adhesive to prevent movement,
but they should not be expected to move regardless.

or, remove a couple tiles before drilling. either way, your result
will be determined by just how permanent you want the job to be.

& certain construction adhesives have extreme resistanse to shear force
if applied properly. (consult with the homely depots associates if
required)

Posted by on February 23, 2006, 12:38 pm

Tory707 wrote:

If you're afraid that drilling through the tile might cause a crack,
you can drill through a tile that won't show once covered with the
cabinet. Use those holes to attach wood blocks of the required size.
Then, screw your cabinets to those wood blocks.

That way, if a tile cracks, it'll be covered.

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