Undermount sink keeps separating from granite
stnjan
16 years ago
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raee_gw zone 5b-6a Ohio
10 years agogr8daygw
10 years agoRelated Discussions
OH NO! I hate my undermount sink and the granite is already in!!
Comments (8)How is the sink mounted? Is there another sink that you would find better that fits the same granite cut out? Depending on how the sink is mounted, it might be possible to change it out from below without disturbing the granite, but that would require that the replacement sink fits the same granite cutout. Our bathroom sinks were mounted using sink clips. Since our house is 35 years old, they had gotten scratched over time and were really difficult to maintain. I considered resurfacing but its so expensive and we weren't sure how long it would hold up. The hardest part was finding a current version of the sink model because they were not a common size (if there is such a thing). My DH loosened the sink clips and then worked the caulking loose until the sink separated from the counter top - the loosened sink clips were still there so it only dropped a tiny fraction of an inch. Then he finished removing the sink clips and took the sink out. He did that for four sinks with no damage to the counters. Our new kitchen sinks are sandwiched between the granite and the plywood underlayment for the granite - sinks mounted that way would be much more difficult to remove from the bottom. Maybe try to live with it for a bit and see if you still notice it....See Moregranite edge to beginning of undermount sink
Comments (28)First I would like to thank you for the time you have taken to draw up the schematic. As you can see from my first photo there is a white marker line towards the back of the sink. You can see how much of the back flange had to be cut away. Take notice of my faucet how I had to put part of that flange back up there to get my faucet to stand true. Also notice where they put their brackets in reference to where the sink outline is. The brackets are on the inside perimeter of the sink. My biggest concern is the structural integrity of the sink. The manufacturer of the sink will not warranty it so if the sink was to fail I would have to get another sink to fit the same opening and also modify it to fit. Which again will affect the structural integrity of the sink according to the manufacturer. My biggest concern is that there was plenty of room to install the sink without modifications had the hole been correct. There are six brackets holding the sink in place two on each side and two in the back corners nothing in front. We sent to sink & template to the fabricator and still it wasn’t correct....See Moreundermount sink with granite?
Comments (25)There are a lot of dual mount sinks out there, but those that are meant for drop in installation cannot be substituted for undermount installation. They do not have a flat rim, which is 100% necessary in order to undermount a sink. The lip of that sink must fully contact the underside of the granite slab for a successful undermount. It will be more costly to install a top mount now and then to try to go to an undermount later. The edge has to be cut to fit the sink 100% in an undermount situation, and it also has to be polished. That is why the industry charges an upcharge for that service. Even if it's not indicated on the quote, and you don't know it's there because it's a "one price" situation, it's there. You don't do a lot of tricky extra work for free, even in more difficult economic times. If you were to choose to go with an toprmount now and attempt to upgrade later, you would have additional plumbing charges as well as additional labor charges from the granite fabricator. And, you'd have one of the worst things of all: cutting your granite on site! That's a nasty bit of business that should be done in a shop if at all possible. Even very careful fabricators can have grit escape their vacuums and granite grit destroys drawer slides and abrades floors and is just generally bad to have in your kitchen. If it were me in your situation, I would ask additional companies for their quotes, and consider different colors from them as wel. Different granites can have different pricing from different wholesalers, and that can translate into quotes that vary significantly for the same job. But, before I'd be willing to accept a quote from a lower priced competitor, I'd want to physically view some of their installations first and ask several questions. A lower price could get you into your granite counters faster, or it could just give you a huge headache because the lower priced guys were the lower skilled guys as well....See MoreCan you replace a drop-in sink with an undermount sink (granite)?
Comments (3)Yes, I understand that the edges of the granite would need to be done. But I think that is a relatively minor issue. From what I've googled, it seems that the cutout for a drop-in sink is usually larger than for an undermount sink, so it is/may not be possible to put in an undermount sink if you already have a drop-in sink. I'm trying to figure out if/how I can figure out how big my cutout is in the granite for the drop-in sink without removing the sink. Then I might be able to figure out whether the cutout is too big for my new sink. The other thought I had was if the counter is already in place, how do you get the undermount sink in place? It would have to go through the cabinet, right? My cabinets have a wood piece (?frame) running between the double doors, so I'm pretty sure the sink wouldn't fit in that way. I think I'm answering my own question, but I'm hoping that there is a way that's not too complicated to accomplish this....See MoreDowB
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