Here are the top 3 problems with undermount sinks and how to avoid them.
													
																	Cut granite for undermount sink. 
								
	
		
	
																	Sink clips stainless steel and composite sink manufactures provide a system for attaching directly to the underside of the g q counter top. 
																	Pay attention to the back and corner radius s for your new sink. 
																	If you ve got someone out cutting granite anyways might as well have them polish it at the same time. 
																	Once the sink is removed make a simple template of the granite on a double piece of cardboard hold it up from bottom pull a pencil around then cutout slightly larger as the lead is about 3 16ths inch from actual size. 
															
													
								
	
		
	
																	Kraus drop in undermount granite composite 33 in. 
																	How to install a pre cut granite countertop and an undermount sink to a vanity. 
																	1 hole 50 50 double basin kitchen sink kit in black onyx model kgd 433b view the kraus granite sink collection. 
																	Yes you can have a drop in sink bigger than the hole done. 
															
													
								
	
		
	
																	You can completely transform a bathroom by switching the countertop to granite. 
																	When a granite and quartz installer fails to use a mechanical sink attachment like clips rails or brackets to secure the sink to the countertop silicone adhesive is generally the method. 
																	The following article explains in detail the 3 most effective undermount sink install techniques used on stainless steel composite and cast iron or clay sinks. 
																	Otherwise i presume once one has a granite counter top the sink can not be changed out for something larger or different in shape. 
															
													
								
	
		
	
																	I have a granite counter top with a double under mount sink already installed but i would to replace it with a slightly larger single bowl sink. 
																	It s easy to clean it s mold. 
																	Sink delamination and failure. 
																	If the granite must have a lip of any kind it should be only millimeters over the edge of the sink. 
															
													
								
	
		
	
																	But if i was going to do that i d find an undermount sink bigger than the hole and have a bigger hole cut in the granite and have the edge polished.