Making a custom concrete countertop with an integral sink is an approachable project for anyone with decent carpentry skills and a willingness to learn.
													
																	How to make a concrete countertop with integrated sink. 
									
	
		
	
																	Making a large hole as in the above 2 sink options greatly increases the overall weakness of the concrete piece and stress cracks are common around sinks. 
																	For the large flat surfaces use a disc sander fitted with diamond discs of varying grit. 
																	I had to make it my own with the sink and adding lights. 
																	We were remodeling our bathroom and i wanted a unique option for the countertop and sink. 
															
													
									
	
		
	
																	To polish the concrete countertop to a smooth finish use an abrasive pad and a water feed to smooth the sides and concave sinks. 
																	I finally decided to make a concrete countertop after seeing other instructables on the subject.