If you are fitting to a worktop that is already in place
If you are fitting to a worktop that is already in place then you will need to measure the existing sink hole and purchase a sink that will fit (or if larger you can carefully cut a little more out of the worktop with a jigsaw). Food can also become trapped in any gaps, harbouring bacteria.Kitchen silicone is easy to apply and can provide you with the perfect finish for your worktop and sink areas. Apply a little sealant around the rim of the sink. Kitchen sealant can be used to seal a small gap between the wall and the worktop. The lip around the sink should fit exactly into the hole and the sealant you applied on the rim will create an additional waterproof barrier. Kitchen silicone will adhere to non-porous surfaces such as ceramic tiles, worktops and plumbing fixtures. Kitchen sealant is designed specifically for use in kitchens so avoid substituting with bathroom sealants (although they appear identical). . Allow this to dry completely before carrying out any more work on ...