Can you thread some stranded wire cable through the gaps you already cut, and
slice the caulk with it? They sell some with handles for cutting PVC and
windshield caulk.
jim
> On Feb 2, 2021, at 12:59 PM, Jim Stone <1789alpine@gmail.com> wrote:
>
> I am planning on tiling the backsplash behind my bathroom sink and would like
> to put the tile behind the sink. (The alternative is tiling around the sink,
> something I donâ??t think will look professional and will be a PITA.). The
> sink, a porcelain vessel-type basin
> (https://www.amazon.com/gp/product/B004LGKGIA/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1),
> sits on top of a marble countertop. The sink was caulked in place at the
> time of installation and the only thing holding it to the countertop is
> gravity and weight. The only visible caulk was where the sink met the wall,
> which I removed. I also worked a thin blade between the sink and the wall,
> cutting any caulk in there. It doesnâ??t appear as thought the installer had
> the sink perfectly level and I donâ??t think there is any caulk on the left
> side of the sink. But. I think it is well glued by the caulk on the other
> three sides and I cannot get a blade in there to cut anything. The sink
> wonâ??t budge.
>
> The bathroom cabinet is floating and there is a clear shot between the bottom
> of the sink and the floor once the drawers have been removed. I disconnected
> the drain and placed a floor jack under the sink (string on top of a couple
> of pieces of 1x8â??s to protect the floor). I placed a 2 ft long 4x4 under
> the drain hole of the sink, which is a flat area providing a good â??jacking
> pointâ??. I canâ??t say how much pressure I have on the sink at the moment,
> but it is enough that the 4x4 wonâ??t budge. But, the sink still hasnâ??t
> moved, no has the countertop, as far as I can tell. My original hope was
> that the jack would either break the caulk bond free or at least raise the
> sink just enough to be able to cut the caulk with a thin blade. So far, that
> hasnâ??t been the case.
>
> For the moment, I am just leaving the jack in place with the sink under
> pressure, but I am very hesitant to put too much pressure on it. The sink
> wasnâ??t all that expensive and I can always replace that if necessary but I
> really donâ??t want to break the countertop or risk damaging the floor. Does
> anyone here have any suggestions?
>
> Thanks,
> Jim
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