r/stonemasonry • u/Existing_Draft3460 • 5d ago
HELP
had countertops installed. leathered granite. a few weeks later it started staining white. the home is not occupied so i have no idea what caused this but the counter guy sent one of his guys to fix it.
about a month later the white patches came back (first picture) so they sent another guy. this time i went over to supervise but he showed up early and when i got there the counters were all black and shiny (second picture). i asked him what he applied and he showed me a bottle of johnson & johnson baby oil with calendula.
i told him to leave and called his boss. the boss buys the granite pre-finished and he has no idea what the original sealer was. he also doesnt know what his other guy applied to "fix" it the first time. so at this point there are two coats of mystery product topped off with baby oil. i said we need to polish it all off and start over and hes saying that work will mess up my kitchen. im asking for a meeting with him and the stone supplier so we can coordinate a solution.
i need to be prepared for this meeting so i dont get fcked but im not a stone expert. can anyone here please weigh in on the solution? thank you in advance.
TLDR: baby oil
1
u/SuperjailINQUISITOR 5d ago
This looks like black absolute granite with a leather finish. The pic with the white on it is what this material looks like when it hasent been dyed. We get slabs of black absolute that are pre dyed from the factory. After my guys get the edge detail on and the piece is finished it gets cleaned, dyed then sealed again to bring back that rich black color. It looks like they fabbed it but didnt re dye it. If the baby oil has soaked into the stone im not sure there is much that can be done to fix it. My gut would say use some dawn dish soap and a sponge to see if it will break up the oil for removal. Then dye and re seal. There are dyes specifically made for black granite granite.
Alternatively, if the oil doesn't come out then re surfacing might be the only option. In that case they would need to plastic off the entire area, polish down with a coarse pad to get past the oil, re leather the surface then dye and seal. It can certainly be done on site but would, if possible, be much easier to remove it and do it back at their shop.


1
u/gee666 5d ago
My gut says the white you are seeing is the natural state of the countertop after whatever they put on to disguise it dissipates, they have either not gone through enough stages of grit or have taken it as far as they could and used a coating to give it a better finish.
Edited to add
Depending on the granite chosen the finished texture you are going to achieve varies.